3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "this is a long test"; $arr = []; $len = strlen($text); for($i = 0; $i < $len; $i++;) { $arr[] = $text[$i]; } var_dump($arr);

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)
5.4.320.0060.03612.50
5.4.310.0030.03912.50
5.4.300.0060.03712.49
5.4.290.0060.03912.49
5.4.280.0090.04012.39
5.4.270.0060.04112.39
5.4.260.0070.03912.39
5.4.250.0050.03912.39
5.4.240.0080.03512.39
5.4.230.0100.03712.38
5.4.220.0020.04012.38
5.4.210.0050.03912.38
5.4.200.0040.04012.38
5.4.190.0080.03912.38
5.4.180.0080.04312.38
5.4.170.0070.04112.39
5.4.160.0040.03612.38
5.4.150.0060.04612.38
5.4.140.0050.03912.07
5.4.130.0110.04612.05
5.4.120.0080.04012.01
5.4.110.0070.03312.01
5.4.100.0040.03612.02
5.4.90.0070.04012.01
5.4.80.0050.03812.01
5.4.70.0050.04112.00
5.4.60.0090.03612.00
5.4.50.0110.03612.00
5.4.40.0080.03812.00
5.4.30.0090.04411.99
5.4.20.0050.03811.99
5.4.10.0080.04212.00
5.4.00.0040.03611.48
5.3.290.0070.03812.80
5.3.280.0070.04412.70
5.3.270.0100.04012.72
5.3.260.0070.04512.72
5.3.250.0080.03912.72
5.3.240.0040.03912.72
5.3.230.0090.03712.71
5.3.220.0080.03612.68
5.3.210.0050.03912.68
5.3.200.0050.04212.68
5.3.190.0030.04412.68
5.3.180.0070.03612.67
5.3.170.0080.03712.67
5.3.160.0090.05312.67
5.3.150.0060.03612.68
5.3.140.0090.04012.66
5.3.130.0050.04612.66
5.3.120.0070.04812.66
5.3.110.0070.04912.65
5.3.100.0040.04312.12
5.3.90.0040.03712.08
5.3.80.0040.03912.07
5.3.70.0050.03712.07
5.3.60.0050.04112.07
5.3.50.0060.03512.00
5.3.40.0080.03712.00
5.3.30.0050.04111.95
5.3.20.0070.03511.73
5.3.10.0070.03711.70
5.3.00.0090.03611.68
5.2.170.0050.0339.18
5.2.160.0030.0329.18
5.2.150.0100.0349.18
5.2.140.0080.0409.18
5.2.130.0040.0309.14
5.2.120.0080.0259.14
5.2.110.0060.0279.14
5.2.100.0080.0269.14
5.2.90.0010.0329.14
5.2.80.0010.0379.14
5.2.70.0040.0369.14
5.2.60.0060.0309.09
5.2.50.0070.0289.06
5.2.40.0040.0309.03
5.2.30.0090.0359.02
5.2.20.0040.0359.00
5.2.10.0070.0288.92
5.2.00.0060.0298.78
5.1.60.0030.0268.07
5.1.50.0060.0308.06
5.1.40.0070.0278.05
5.1.30.0050.0318.40
5.1.20.0050.0288.41
5.1.10.0040.0348.14
5.1.00.0050.0258.14
5.0.50.0020.0286.62
5.0.40.0030.0296.48
5.0.30.0040.0346.29
5.0.20.0060.0236.26
5.0.10.0030.0226.24
5.0.00.0060.0326.23
4.4.90.0050.0164.78
4.4.80.0020.0204.76
4.4.70.0030.0164.75
4.4.60.0060.0214.75
4.4.50.0040.0144.77
4.4.40.0040.0294.71
4.4.30.0030.0204.76
4.4.20.0030.0204.85
4.4.10.0050.0174.85
4.4.00.0050.0274.76
4.3.110.0050.0254.67
4.3.100.0040.0154.67
4.3.90.0030.0164.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0264.63
4.3.40.0030.0274.54
4.3.30.0030.0153.28
4.3.20.0040.0213.26
4.3.10.0020.0203.22
4.3.00.0030.01715.66

preferences:
139.22 ms | 1398 KiB | 7 Q