<?php
    // 返回当前时间戳的微秒数
    $start = microtime(true) ;

    $total = 0;
    for ($i=0; $i < 1000000; $i++) {
        $total += $i;
    }

    echo "Count: ".$i.",Total: " . $total . "\n";

    // 返回当前时间戳的微秒数
    $end = microtime(true);

    // 计算开始到结束，所用时间
    $spend = floor(($end - $start) * 1000);

    echo "Time use: " . $spend . " ms\n";
?>

zend_extension=opcache

; Determines if Zend OPCache is enabled
opcache.enable=1

; Determines if Zend OPCache is enabled for the CLI version of PHP
opcache.enable_cli=0

; The OPcache shared memory storage size.
opcache.memory_consumption=128

; The amount of memory for interned strings in Mbytes.
opcache.interned_strings_buffer=8

; The maximum number of keys (scripts) in the OPcache hash table.
; Only numbers between 200 and 1000000 are allowed.
opcache.max_accelerated_files=10000

opcache.jit=tracing
opcache.jit_buffer_size=100M

extension_dir = "ext"