3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'red', 'green', 'blue' ); foreach ( $a as $c ) { if ($c == 'red') { $c = 'purple' } } var_dump($a);

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)
5.4.320.0060.03812.50
5.4.310.0060.04312.49
5.4.300.0100.03812.50
5.4.290.0070.03612.50
5.4.280.0050.03712.39
5.4.270.0060.03512.39
5.4.260.0050.03812.39
5.4.250.0060.03712.39
5.4.240.0070.03612.39
5.4.230.0110.03612.38
5.4.220.0060.03812.38
5.4.210.0070.03412.38
5.4.200.0060.03612.39
5.4.190.0060.03612.38
5.4.180.0060.03512.38
5.4.170.0040.03612.39
5.4.160.0040.03612.39
5.4.150.0040.03612.38
5.4.140.0100.03112.07
5.4.130.0080.03512.05
5.4.120.0100.03712.02
5.4.110.0070.03412.02
5.4.100.0090.03212.02
5.4.90.0090.03612.01
5.4.80.0060.04112.02
5.4.70.0070.03512.00
5.4.60.0050.03612.00
5.4.50.0050.03512.00
5.4.40.0080.03611.99
5.4.30.0070.03411.99
5.4.20.0070.03311.99
5.4.10.0060.03711.99
5.4.00.0080.03511.48
5.3.290.0100.03612.80
5.3.280.0060.03812.71
5.3.270.0110.03312.73
5.3.260.0120.03912.72
5.3.250.0030.04112.72
5.3.240.0100.03312.72
5.3.230.0090.03412.71
5.3.220.0080.03412.68
5.3.210.0050.04112.68
5.3.200.0070.03412.68
5.3.190.0030.03912.68
5.3.180.0080.03512.67
5.3.170.0070.03512.67
5.3.160.0040.03912.67
5.3.150.0080.03912.68
5.3.140.0090.03712.66
5.3.130.0110.03612.66
5.3.120.0080.03612.66
5.3.110.0120.03712.65
5.3.100.0090.03912.12
5.3.90.0050.03612.08
5.3.80.0120.02912.07
5.3.70.0020.03912.07
5.3.60.0070.03812.06
5.3.50.0050.03712.00
5.3.40.0040.04212.00
5.3.30.0020.03811.95
5.3.20.0080.03211.73
5.3.10.0080.03211.70
5.3.00.0070.03411.70
5.2.170.0020.0329.18
5.2.160.0040.0359.18
5.2.150.0050.0379.18
5.2.140.0080.0349.18
5.2.130.0070.0279.14
5.2.120.0070.0259.14
5.2.110.0040.0339.14
5.2.100.0050.0309.14
5.2.90.0060.0289.14
5.2.80.0070.0279.14
5.2.70.0060.0309.13
5.2.60.0050.0309.09
5.2.50.0030.0309.06
5.2.40.0060.0289.04
5.2.30.0070.0339.02
5.2.20.0040.0299.00
5.2.10.0010.0318.92
5.2.00.0040.0288.79
5.1.60.0070.0218.07
5.1.50.0040.0268.07
5.1.40.0070.0218.05
5.1.30.0080.0218.40
5.1.20.0030.0278.42
5.1.10.0050.0248.14
5.1.00.0090.0208.14
5.0.50.0050.0196.62
5.0.40.0030.0216.48
5.0.30.0030.0316.30
5.0.20.0060.0176.26
5.0.10.0070.0166.24
5.0.00.0020.0316.23
4.4.90.0020.0164.77
4.4.80.0050.0144.76
4.4.70.0040.0154.75
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0050.0294.71
4.4.30.0020.0164.76
4.4.20.0040.0144.85
4.4.10.0030.0154.84
4.4.00.0020.0264.76
4.3.110.0040.0214.67
4.3.100.0030.0144.66
4.3.90.0010.0164.63
4.3.80.0070.0224.58
4.3.70.0040.0164.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0010.0254.54
4.3.30.0020.0163.28
4.3.20.0000.0183.26
4.3.10.0020.0153.22
4.3.00.0000.01716.50

preferences:
141.58 ms | 1394 KiB | 7 Q