Remove superfluous checks of always available functions

Author: carusogabriel

ext/filter/tests/033_run.inc

@@ -1,7 +1,5 @@
 <?php
-if (function_exists('setlocale')) {
-	setlocale(LC_ALL, 'C');
-}
+setlocale(LC_ALL, 'C');
 
 function test($data) {
   return strtoupper($data);

ext/mbstring/tests/overload01.phpt

@@ -3,9 +3,6 @@ Function overloading test 1
 --SKIPIF--
 <?php 
 	extension_loaded('mbstring') or die('skip mbstring not available'); 
-	if (!function_exists("mail")) {
-		die('skip mail() function is not available.');
-	}
 ?>
 --INI--
 output_handler=

ext/mbstring/tests/overload02.phpt

@@ -3,9 +3,6 @@ Function overloading test 2
 --SKIPIF--
 <?php 
 	extension_loaded('mbstring') or die('skip mbstring not available'); 
-	if (!function_exists("mail")) {
-		die('skip mail() function is not available.');
-	}
 	if (!function_exists("mb_ereg_replace")) {
 		die('skip mb_ereg_replace() function is not available.');
 	}

ext/openssl/tests/openssl_free_key.phpt

@@ -18,8 +18,7 @@ echo "Creating private key\n";
  */
 for ($z = "", $i = 0; $i < 1024; $i++) {
     $z .= $i * $i;
-    if (function_exists("usleep"))
-        usleep($i);
+    usleep($i);
 }
 
 $conf = array('config' => dirname(__FILE__) . DIRECTORY_SEPARATOR . 'openssl.cnf');

ext/phar/tests/cache_list/files/phar_test.inc

@@ -1,8 +1,6 @@
 <?php
 
-if (function_exists('date_default_timezone_set')) {
-	date_default_timezone_set('UTC');
-}
+date_default_timezone_set('UTC');
 
 $manifest = (binary)'';
 $glags = 0;

ext/phar/tests/files/phar_test.inc

@@ -1,8 +1,6 @@
 <?php
 
-if (function_exists('date_default_timezone_set')) {
-	date_default_timezone_set('UTC');
-}
+date_default_timezone_set('UTC');
 
 $manifest = (binary)'';
 $gflags = 0;

ext/soap/tests/interop/Round2/Base/r2_base_005p.phpt

@@ -2,7 +2,6 @@
 SOAP Interop Round2 base 005 (php/direct): echoString(utf-8)
 --SKIPIF--
 <?php require_once('skipif.inc'); ?>
-<?php if (!function_exists('utf8_encode')) die('skip utf8_encode() not available'); ?>
 --FILE--
 <?php
 $client = new SoapClient(NULL,array("location"=>"test://","uri"=>"http://soapinterop.org/","trace"=>1,"exceptions"=>0));

ext/soap/tests/interop/Round2/Base/r2_base_005s.phpt

@@ -2,7 +2,6 @@
 SOAP Interop Round2 base 005 (soap/direct): echoString(utf-8)
 --SKIPIF--
 <?php require_once('skipif.inc'); ?>
-<?php if (!function_exists('utf8_encode')) die('skip utf8_encode() not available'); ?>
 --FILE--
 <?php
 $client = new SoapClient(NULL,array("location"=>"test://","uri"=>"http://soapinterop.org/","trace"=>1,"exceptions"=>0));

ext/soap/tests/interop/Round2/Base/r2_base_005w.phpt

@@ -2,7 +2,6 @@
 SOAP Interop Round2 base 005 (php/wsdl): echoString(utf-8)
 --SKIPIF--
 <?php require_once('skipif.inc'); ?>
-<?php if (!function_exists('utf8_encode')) die('skip utf8_encode() not available'); ?>
 --INI--
 soap.wsdl_cache_enabled=0
 --FILE--

run-tests.php

@@ -205,7 +205,7 @@ function verify_config()
 		error('environment variable TEST_PHP_EXECUTABLE must be set to specify PHP executable!');
 	}
 
-	if (function_exists('is_executable') && !is_executable($php)) {
+	if (!is_executable($php)) {
 		error("invalid PHP executable specified by TEST_PHP_EXECUTABLE  = $php");
 	}
 }