3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,"2",'three'=>3); $a = [1,"2",'three'=>3]; $pieces = explode(" ","red white blue"); echo $pieces[2]; echo explode(" ","red white blue")[2];// blue echo ['big' => 'lots', 'time' => 'matters']['big']; Parse error: syntax error, unexpected '[', expecting ',' or ';'

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.220.0070.04112.37
5.4.210.0080.04412.37
5.4.200.0100.04012.37
5.4.190.0120.03912.37
5.4.180.0100.04312.37
5.4.170.0100.04112.38
5.4.160.0070.04212.37
5.4.150.0110.04212.37
5.4.140.0110.04012.06
5.4.130.0150.05412.04
5.4.120.0090.04212.00
5.4.110.0080.04112.00
5.4.100.0090.04512.00
5.4.90.0120.03912.00
5.4.80.0090.04412.00
5.4.70.0070.04412.00
5.4.60.0170.05412.00
5.4.50.0120.03912.00
5.4.40.0110.04211.98
5.4.30.0110.04311.98
5.4.20.0090.04111.98
5.4.10.0110.04111.98
5.4.00.0080.04411.47
5.3.270.0090.04512.72
5.3.260.0130.04612.72
5.3.250.0110.04112.72
5.3.240.0130.04212.72
5.3.230.0130.04112.71
5.3.220.0100.04512.68
5.3.210.0120.04112.68
5.3.200.0090.05012.68
5.3.190.0100.04112.68
5.3.180.0110.04312.67
5.3.170.0130.04412.67
5.3.160.0110.04712.67
5.3.150.0160.04812.67
5.3.140.0140.03812.66
5.3.130.0090.04512.66
5.3.120.0120.04212.66
5.3.110.0110.04312.66
5.3.100.0150.04312.12
5.3.90.0100.04012.08
5.3.80.0120.04412.07
5.3.70.0120.04112.08
5.3.60.0090.04212.06
5.3.50.0130.03712.00
5.3.40.0100.04112.00
5.3.30.0100.04411.94
5.3.20.0120.03811.71
5.3.10.0100.04011.67
5.3.00.0070.04111.66

preferences:
138.75 ms | 1394 KiB | 7 Q