3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "hello"; function modify($a) { global $foo; var_dump($a === $foo); $a = "world"; var_dump($a === $foo); } modify($foo); var_dump($foo);

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)
8.4.130.0110.00917.62
8.4.120.0130.00722.20
8.4.110.0070.00922.38
8.4.100.0110.00517.54
8.4.90.0110.00918.67
8.4.80.0130.00617.64
8.4.70.0130.00717.62
8.4.60.0050.00618.94
8.4.50.0120.00919.32
8.4.40.0080.01119.20
8.4.30.0150.00620.41
8.4.20.0170.00020.57
8.4.10.0030.00619.42
8.3.260.0120.00816.41
8.3.250.0100.01118.58
8.3.240.0140.00616.42
8.3.230.0110.00816.69
8.3.220.0040.00417.29
8.3.210.0130.00516.44
8.3.200.0060.00316.60
8.3.190.0100.00816.90
8.3.180.0110.00816.44
8.3.170.0060.00318.94
8.3.160.0040.01418.45
8.3.150.0030.00519.02
8.3.140.0080.00016.54
8.3.130.0080.00018.33
8.3.120.0090.01219.04
8.3.110.0170.00320.94
8.3.100.0030.00624.06
8.3.90.0060.00326.77
8.3.80.0060.00316.38
8.3.70.0130.00716.58
8.3.60.0070.01418.43
8.3.50.0110.00717.38
8.3.40.0070.00718.70
8.3.30.0120.00318.71
8.3.20.0040.00421.77
8.3.10.0000.00818.99
8.3.00.0000.00721.86
8.2.290.0120.00820.54
8.2.280.0100.00818.40
8.2.270.0110.00717.02
8.2.260.0150.00416.47
8.2.250.0040.00416.49
8.2.240.0110.00716.97
8.2.230.0030.00622.58
8.2.220.0100.01037.54
8.2.210.0140.00326.77
8.2.200.0040.00416.38
8.2.190.0040.01116.58
8.2.180.0090.00925.92
8.2.170.0060.01322.96
8.2.160.0090.00921.97
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00726.16
8.2.110.0030.00721.88
8.2.100.0110.00017.56
8.2.90.0080.00017.78
8.2.80.0090.00019.79
8.2.70.0030.00517.25
8.2.60.0040.00417.34
8.2.50.0030.00717.50
8.2.40.0000.00919.20
8.2.30.0030.00620.48
8.2.20.0040.00417.93
8.2.10.0000.00718.78
8.2.00.0030.00619.78
8.1.330.0100.00823.89
8.1.320.0020.00618.00
8.1.310.0090.00016.84
8.1.300.0050.00518.18
8.1.290.0000.01518.88
8.1.280.0150.00025.92
8.1.270.0080.00022.06
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0090.00022.09
8.1.230.0040.00822.07
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.36
8.1.190.0080.00019.09
8.1.180.0000.00818.10
8.1.170.0040.00418.52
8.1.160.0030.00718.80
8.1.150.0070.00018.66
8.1.140.0000.00820.24
8.1.130.0030.00317.43
8.1.120.0040.00417.35
8.1.110.0000.00717.29
8.1.100.0030.00717.35
8.1.90.0000.00917.39
8.1.80.0040.00417.26
8.1.70.0060.00317.39
8.1.60.0000.00917.54
8.1.50.0040.00417.54
8.1.40.0000.00817.49
8.1.30.0030.00617.62
8.1.20.0000.00817.54
8.1.10.0030.00617.40
8.1.00.0050.00317.45
8.0.300.0000.00719.82
8.0.290.0030.00516.75
8.0.280.0000.00718.36
8.0.270.0050.00317.10
8.0.260.0000.00616.70
8.0.250.0030.00616.79
8.0.240.0030.00316.87
8.0.230.0030.00316.78
8.0.220.0050.00216.79
8.0.210.0000.00816.70
8.0.200.0000.00616.83
8.0.190.0040.00416.86
8.0.180.0000.00816.73
8.0.170.0000.00816.79
8.0.160.0000.00816.81
8.0.150.0000.00716.81
8.0.140.0030.00516.79
8.0.130.0030.00313.25
8.0.120.0020.00516.82
8.0.110.0030.00516.82
8.0.100.0000.00816.64
8.0.90.0070.00016.80
8.0.80.0060.01116.82
8.0.70.0000.00716.89
8.0.60.0050.00216.73
8.0.50.0000.00816.86
8.0.30.0070.01216.83
8.0.20.0130.00617.06
8.0.10.0000.00716.81
8.0.00.0110.00916.78
7.4.330.0050.00015.55
7.4.320.0030.00316.39
7.4.300.0000.00616.56
7.4.290.0040.00416.60
7.4.280.0030.00616.47
7.4.270.0050.00216.60
7.4.260.0070.00016.53
7.4.250.0000.00716.36
7.4.240.0000.00716.48
7.4.230.0000.00716.47
7.4.220.0040.00416.40
7.4.210.0060.01016.48
7.4.200.0000.00816.70
7.4.160.0040.01116.46
7.4.140.0130.00517.86
7.4.130.0030.01316.41
7.4.120.0100.00816.54
7.4.110.0090.00916.47
7.4.100.0120.00616.32
7.4.90.0070.01016.34
7.4.80.0120.01219.39
7.4.70.0130.00316.52
7.4.60.0100.00516.40
7.4.50.0090.00616.12
7.4.40.0120.00616.54
7.4.00.0030.01014.81
7.3.330.0000.00513.31
7.3.320.0000.00513.30
7.3.310.0000.00716.16
7.3.300.0000.00716.23
7.3.290.0000.00616.22
7.3.280.0100.01016.33
7.3.260.0070.01216.45
7.3.240.0140.00216.36
7.3.230.0080.00916.23
7.3.210.0090.00916.56
7.3.200.0080.00816.59
7.3.190.0120.00616.45
7.3.180.0080.00816.71
7.3.170.0130.00316.38
7.3.160.0060.01016.45
7.3.50.0030.00714.75
7.3.40.0000.01314.64
7.3.30.0070.00714.67
7.3.20.0100.00016.45
7.3.10.0120.00016.61
7.3.00.0000.01216.66
7.2.330.0100.00716.69
7.2.320.0120.00716.47
7.2.310.0000.01616.67
7.2.300.0090.00916.31
7.2.290.0090.00916.50
7.2.180.0070.00714.95
7.2.170.0040.00814.62
7.2.160.0070.00714.96
7.2.150.0060.00616.95
7.2.140.0030.01016.81
7.2.130.0070.00716.62
7.2.120.0100.01016.72
7.2.110.0040.00716.82
7.2.100.0090.00616.65
7.2.90.0070.00616.84
7.2.80.0040.00716.67
7.2.70.0070.00316.65
7.2.60.0060.00616.77
7.2.50.0110.00016.88
7.2.40.0080.00316.73
7.2.30.0060.01616.63
7.2.20.0100.01016.59
7.2.10.0100.00716.81
7.2.00.0060.00616.93
7.1.280.0120.00915.75
7.1.270.0000.01215.62
7.1.260.0070.00415.91
7.1.250.0050.00515.77

preferences:
36.05 ms | 403 KiB | 5 Q