3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ''; function foo(string $string) { $string .= 'clément'; } foo($a); 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)
8.3.60.0070.00718.43
8.3.50.0070.00716.62
8.3.40.0070.00718.38
8.3.30.0140.00718.54
8.3.20.0000.00820.77
8.3.10.0070.00021.78
8.3.00.0080.00018.58
8.2.180.0140.00717.91
8.2.170.0140.00022.96
8.2.160.0000.01420.50
8.2.150.0050.00524.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00426.16
8.2.110.0110.00620.47
8.2.100.0040.00817.78
8.2.90.0040.00417.63
8.2.80.0040.00418.73
8.2.70.0040.00417.75
8.2.60.0040.00417.61
8.2.50.0030.00518.05
8.2.40.0000.00718.16
8.2.30.0030.00319.50
8.2.20.0040.00418.05
8.2.10.0040.00419.07
8.2.00.0000.01019.07
8.1.280.0110.00725.92
8.1.270.0040.00420.69
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00723.76
8.1.230.0070.00422.20
8.1.220.0000.00918.39
8.1.210.0070.00018.77
8.1.200.0040.00417.28
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0040.00419.05
8.1.150.0040.00418.76
8.1.140.0060.00318.83
8.1.130.0040.00420.22
8.1.120.0030.00317.29
8.1.110.0040.00317.29
8.1.100.0000.00917.45
8.1.90.0030.00317.43
8.1.80.0040.00417.36
8.1.70.0000.00817.29
8.1.60.0030.00617.60
8.1.50.0080.00017.37
8.1.40.0090.00317.41
8.1.30.0030.00517.59
8.1.20.0000.00817.65
8.1.10.0040.00417.45
8.1.00.0040.00417.29
8.0.300.0030.00518.77
8.0.290.0050.00216.63
8.0.280.0000.00718.58
8.0.270.0070.00017.87
8.0.260.0030.00319.96
8.0.250.0060.00316.87
8.0.240.0060.00016.88
8.0.230.0030.00316.94
8.0.220.0030.00316.79
8.0.210.0030.00316.80
8.0.200.0000.00716.88
8.0.190.0080.00016.80
8.0.180.0050.00216.84
8.0.170.0060.00316.71
8.0.160.0040.00416.84
8.0.150.0000.00716.73
8.0.140.0060.00316.67
8.0.130.0030.00313.20
8.0.120.0000.00716.68
8.0.110.0080.00016.63
8.0.100.0050.00216.73
8.0.90.0060.00316.70
8.0.80.0020.01616.81
8.0.70.0080.00016.81
8.0.60.0000.00716.78
8.0.50.0050.00216.60
8.0.30.0090.00917.07
8.0.20.0110.01117.09
8.0.10.0040.00416.89
8.0.00.0090.00916.73
7.4.330.0030.00316.68
7.4.320.0000.00616.52
7.4.300.0070.00016.50
7.4.290.0040.00416.61
7.4.280.0070.00016.63
7.4.270.0030.00816.50
7.4.260.0050.00013.38
7.4.250.0000.00716.51
7.4.240.0040.00416.49
7.4.230.0040.00416.57
7.4.220.0040.00416.64
7.4.210.0080.00816.54
7.4.200.0000.00716.59
7.4.130.0150.00516.35
7.4.120.0120.01016.43
7.4.110.0070.01016.48
7.4.100.0130.00916.23
7.4.90.0110.00716.29
7.4.80.0080.00919.39
7.4.70.0100.00716.24
7.4.60.0150.00016.43
7.4.50.0110.00716.48
7.4.40.0040.01116.25
7.4.20.0040.01416.15
7.4.10.0060.01516.19
7.4.00.0120.01016.22
7.3.330.0000.00716.34
7.3.320.0020.00213.12
7.3.310.0030.00316.27
7.3.300.0040.00416.11
7.3.290.0080.00716.20
7.3.260.0060.01016.21
7.3.240.0110.00916.30
7.3.230.0160.00016.25
7.3.210.0130.00316.23
7.3.200.0090.00616.18
7.3.190.0060.01116.23
7.3.180.0110.00816.33
7.3.170.0110.01116.25
7.3.160.0110.01116.49
7.3.140.0080.00816.22
7.3.130.0060.01216.43
7.3.120.0100.00616.36
7.3.110.0040.01116.20
7.3.100.0070.01416.34
7.3.90.0040.01116.17
7.3.80.0150.00616.13
7.3.70.0030.01716.09
7.3.60.0070.01016.21
7.3.50.0190.00316.16
7.3.40.0150.00616.19
7.3.30.0150.00616.28
7.3.20.0060.00916.09
7.3.10.0120.01016.33
7.3.00.0180.01016.24
7.2.330.0130.01016.56
7.2.320.0140.00316.52
7.2.310.0130.00316.53
7.2.300.0120.00616.26
7.2.290.0120.00316.38
7.2.270.0030.01316.42
7.2.260.0040.01816.43
7.2.250.0120.00916.51
7.2.240.0100.00716.50
7.2.230.0090.01216.26
7.2.220.0070.01016.48
7.2.210.0150.00616.46
7.2.200.0100.01316.39
7.2.190.0100.00616.23
7.2.180.0200.00316.27
7.2.170.0190.00316.36
7.2.160.0090.00616.38
7.2.150.0130.00416.30
7.2.140.0120.00616.57
7.2.130.0130.00916.14
7.2.120.0070.01616.29
7.2.110.0150.00316.36
7.2.100.0150.00916.39
7.2.90.0100.01416.30
7.2.80.0230.00616.49
7.2.70.0120.01216.41
7.2.60.0060.01816.20
7.2.50.0170.00716.53
7.2.40.0060.01216.18
7.2.30.0140.00616.54
7.2.20.0100.00716.38
7.2.10.0100.01316.17
7.2.00.0090.00916.32

preferences:
49.46 ms | 401 KiB | 5 Q