bench.php

<?php
/**
 * Configuration options
 *
 */
$iterations = 1000000;
info();

/**
 * Actual Benchmarks to run
 *
 */

$strings = 'not used';

benchmark('cast', $iterations, function () use ($strings) {
    $a = (int)"134.1";
});


benchmark('coerce + cast', $iterations, function () use ($strings) {
    $a = (int) + "134.1";
});

benchmark('cast simple', $iterations, function () use ($strings) {
    $a = (int)"134";
});

benchmark('coerce + cast simple', $iterations, function () use ($strings) {
    $a = (int) + "134";
});


// ----------------------------------------
// ----------------------------------------
// Modification below here not necessary,
// unless you're correcting some code that
// I fucked up.
// ----------------------------------------
// ----------------------------------------

/**
 * Environment Information and Test Result header
 *
 * @return void
 */
function info() {
	echo "/**\n";
	echo " * ----------------------------------------\n";
	echo " * PHP " . phpversion() . " (" . php_sapi_name() . ")\n";
	echo " * Memory: " . (memory_get_peak_usage(true) / 1024 / 1024) . "MB / " . ini_get('memory_limit') . "\n";
	echo " * ----------------------------------------\n";
	echo " */\n\n";
}

/**
 * Generic Benchmarking Function
 *
 * @param string $title Title of the test set
 * @param string $iterations iterations to perform
 * @param string $code Code to run
 * @return void
 */
function benchmark($title, $iterations, $code) {
	$start = microtime(true);
	for ($i = 0; $i < $iterations; $i++) {
		$code();
	}
	$elapsed = microtime(true) - $start;
	echo "$title\n   => $elapsed\n";
};

/**
 * ----------------------------------------
 * PHP 7.2.2-3+ubuntu16.04.1+deb.sury.org+1 (cli)
 * Memory: 2MB / -1
 * ----------------------------------------
 */

cast
   => 0.076174974441528
coerce + cast
   => 0.045148849487305
cast simple
   => 0.05767297744751
coerce + cast simple
   => 0.043489933013916


/**
 * ----------------------------------------
 * PHP 7.2.2-3+ubuntu16.04.1+deb.sury.org+1 (cli)
 * Memory: 2MB / -1
 * ----------------------------------------
 */

cast
   => 0.074118852615356
coerce + cast
   => 0.046221017837524
cast simple
   => 0.054520845413208
coerce + cast simple
   => 0.041806936264038

/**
 * ----------------------------------------
 * PHP 7.2.2-3+ubuntu16.04.1+deb.sury.org+1 (cli)
 * Memory: 2MB / -1
 * ----------------------------------------
 */

cast
   => 0.073346853256226
coerce + cast
   => 0.045939922332764
cast simple
   => 0.056981086730957
coerce + cast simple
   => 0.0400071144104

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