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<?PHP

# 命令

#

# 程序执行的时间

#1) time php timeTest.php

#

#2) strace -ttt -o xxx php timeTest

# less xxx

#

#3) ltrace -c php timeTest.php

#

#特定函数strtol的调用情况

#4) ltrace -e "strtol" php timeTest.php

#

$y = "1800";

$x = array();

for($j = 0;$j<2000;$j++)

{

$x[] = "{$j}";

}

for($i=0;$i<3000;$i++)

{

if(in_array($y,$x,true)){

continue;

}

}