diff --git a/php/apache/README.md b/php/apache/README.md
index 921ee8d6..eaf06d96 100644
--- a/php/apache/README.md
+++ b/php/apache/README.md
@@ -140,6 +140,8 @@ TIDEWAYS_FRAMEWORK | What framework (if any) is being used in the image? | strin
 TIDEWAYS_API_KEY | Your Tideways API key | string | empty
 TIDEWAYS_CONNECTION | The location of a Tideways daemon to send logs/instrumentation to. We recommend deploying https://github.com/continuouspipe/dockerfiles/tree/master/tideways to handle this | protocol://domain_or_ip:port | tcp://tideways:9135
 TIDEWAYS_SERVICE | The service that your application provides (optional) | string | empty
+TIDEWAYS_COLLECT | The collect mode for Tideways (see [the Tideways documentation](https://tideways.io/profiler/article/43-sampling))(optional) | DISABLED/BASIC/TRACING/PROFILING/FULL | TRACING
+TIDEWAYS_SAMPLE_RATE | The sample rate for Tideways (see [the Tideways documentation](https://tideways.io/profiler/article/43-sampling))(optional) | integer | 25
 XDEBUG_REMOTE_ENABLED | If XDebug is enabled for debugging purposes. We recommend disabling Tideways and only using XDebug in development. | true/false | false
 XDEBUG_REMOTE_HOST | The host to connect to. We recommend deploying https://github.com/continuouspipe/dockerfiles/tree/master/ssh-forward to handle this | A domain or IP address | sshforward
 XDEBUG_REMOTE_PORT | The port to connect to. | 1-65535 | 9000
diff --git a/php/nginx/README.md b/php/nginx/README.md
index 693733b3..6cabef9f 100644
--- a/php/nginx/README.md
+++ b/php/nginx/README.md
@@ -168,6 +168,8 @@ TIDEWAYS_FRAMEWORK | What framework (if any) is being used in the image? | strin
 TIDEWAYS_API_KEY | Your Tideways API key | string | empty
 TIDEWAYS_CONNECTION | The location of a Tideways daemon to send logs/instrumentation to. We recommend deploying https://github.com/continuouspipe/dockerfiles/tree/master/tideways to handle this | protocol://domain_or_ip:port | tcp://tideways:9135
 TIDEWAYS_SERVICE | The service that your application provides (optional) | string | empty
+TIDEWAYS_COLLECT | The collect mode for Tideways (see [the Tideways documentation](https://tideways.io/profiler/article/43-sampling))(optional) | DISABLED/BASIC/TRACING/PROFILING/FULL | TRACING
+TIDEWAYS_SAMPLE_RATE | The sample rate for Tideways (see [the Tideways documentation](https://tideways.io/profiler/article/43-sampling))(optional) | integer | 25
 XDEBUG_REMOTE_ENABLED | If XDebug is enabled for debugging purposes. We recommend disabling Tideways and only using XDebug in development. | true/false | false
 XDEBUG_REMOTE_HOST | The host to connect to. We recommend deploying https://github.com/continuouspipe/dockerfiles/tree/master/ssh-forward to handle this | A domain or IP address | sshforward
 XDEBUG_REMOTE_PORT | The port to connect to. | 1-65535 | 9000
diff --git a/php/shared/etc/confd/templates/tideways/tideways.ini.tmpl b/php/shared/etc/confd/templates/tideways/tideways.ini.tmpl
index f8cda918..05eff68c 100644
--- a/php/shared/etc/confd/templates/tideways/tideways.ini.tmpl
+++ b/php/shared/etc/confd/templates/tideways/tideways.ini.tmpl
@@ -13,7 +13,11 @@ tideways.connection = {{ getenv "TIDEWAYS_CONNECTION" }}
 
 ; Configure the profiling sample rate for this PHP server globally.  The given
 ; number is an integer representing percent between 0 and 100
-tideways.sample_rate=25
+tideways.sample_rate={{getenv "TIDEWAYS_SAMPLE_RATE"}}
+
+{{if getenv "TIDEWAYS_COLLECT"}}
+tideways.collect={{getenv "TIDEWAYS_COLLECT"}}
+{{end}}
 
 ; Automatically detect transactions and exceptions of a given framework The
 ; following frameworks are currently supported:
diff --git a/php/shared/usr/local/share/env/40-stack b/php/shared/usr/local/share/env/40-stack
index 586abc97..7bc2fe39 100644
--- a/php/shared/usr/local/share/env/40-stack
+++ b/php/shared/usr/local/share/env/40-stack
@@ -33,6 +33,8 @@ export TIDEWAYS_FRAMEWORK=${TIDEWAYS_FRAMEWORK:-}
 export TIDEWAYS_API_KEY=${TIDEWAYS_API_KEY:-}
 export TIDEWAYS_CONNECTION=${TIDEWAYS_CONNECTION:-tcp://tideways:9135}
 export TIDEWAYS_SERVICE=${TIDEWAYS_SERVICE:-}
+export TIDEWAYS_SAMPLE_RATE=${TIDEWAYS_SAMPLE_RATE:-25}
+export TIDEWAYS_COLLECT=${TIDEWAYS_COLLECT:-TRACING}
 
 XDEBUG_REMOTE_ENABLED="$(convert_to_boolean_string "${XDEBUG_REMOTE_ENABLED:-false}")"
 export XDEBUG_REMOTE_ENABLED