3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(string $string) { $string .= 'clément'; } $a = 'une valeur'; foo($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)
8.3.60.0070.01318.31
8.3.50.0110.00716.41
8.3.40.0120.00618.67
8.3.30.0090.00618.50
8.3.20.0080.00020.73
8.3.10.0080.00021.77
8.3.00.0040.00420.46
8.2.180.0100.01018.16
8.2.170.0150.00022.96
8.2.160.0100.00320.44
8.2.150.0050.00524.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0040.00426.16
8.2.110.0000.00919.32
8.2.100.0090.00317.91
8.2.90.0040.00417.88
8.2.80.0030.00518.75
8.2.70.0040.00417.50
8.2.60.0050.00318.03
8.2.50.0030.00518.05
8.2.40.0030.00618.28
8.2.30.0000.00719.42
8.2.20.0040.00418.03
8.2.10.0040.00419.22
8.2.00.0040.00419.04
8.1.280.0140.00425.92
8.1.270.0040.00420.52
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00317.35
8.1.230.0060.00619.55
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0000.00817.62
8.1.160.0030.00719.07
8.1.150.0030.00518.77
8.1.140.0090.00018.73
8.1.130.0070.00020.21
8.1.120.0030.00317.28
8.1.110.0000.00717.37
8.1.100.0040.00417.43
8.1.90.0040.00417.41
8.1.80.0000.00817.38
8.1.70.0050.00317.40
8.1.60.0000.00817.55
8.1.50.0000.00817.51
8.1.40.0030.00917.39
8.1.30.0040.00417.53
8.1.20.0040.00417.55
8.1.10.0000.00917.47
8.1.00.0040.00417.34
8.0.300.0040.00418.78
8.0.290.0040.00416.63
8.0.280.0030.00318.48
8.0.270.0000.00817.93
8.0.260.0060.00020.00
8.0.250.0000.00716.89
8.0.240.0030.00316.88
8.0.230.0030.00316.83
8.0.220.0000.00716.84
8.0.210.0040.00416.86
8.0.200.0030.00316.86
8.0.190.0070.00016.88
8.0.180.0040.00416.82
8.0.170.0080.00016.75
8.0.160.0040.00416.79
8.0.150.0050.00216.76
8.0.140.0070.00316.80
8.0.130.0000.00613.20
8.0.120.0000.00716.79
8.0.110.0050.00316.69
8.0.100.0000.00816.88
8.0.90.0030.00616.65
8.0.80.0140.00416.73
8.0.70.0070.00016.75
8.0.60.0000.00716.87
8.0.50.0040.00416.93
8.0.30.0120.00617.25
8.0.20.0110.00717.05
8.0.10.0050.00316.76
8.0.00.0090.00916.99
7.4.330.0050.00016.70
7.4.320.0060.00016.43
7.4.300.0030.00316.41
7.4.290.0080.00016.49
7.4.280.0040.00416.59
7.4.270.0070.00316.58
7.4.260.0030.00313.33
7.4.250.0030.00316.55
7.4.240.0020.00516.51
7.4.230.0000.00716.29
7.4.220.0020.00516.46
7.4.210.0100.00516.52
7.4.200.0070.00016.48
7.4.130.0140.00516.46
7.4.120.0100.00916.28
7.4.110.0060.01016.42
7.4.100.0070.01616.45
7.4.90.0090.00916.43
7.4.80.0170.00319.39
7.4.70.0190.00316.50
7.4.60.0090.00716.53
7.4.50.0030.01216.46
7.4.40.0090.00916.51
7.4.20.0120.00616.30
7.4.10.0100.00716.30
7.4.00.0120.01016.28
7.3.330.0000.00716.25
7.3.320.0000.00513.22
7.3.310.0070.00016.22
7.3.300.0040.00416.23
7.3.290.0110.00516.26
7.3.260.0100.00716.30
7.3.240.0080.01116.37
7.3.230.0080.00816.53
7.3.210.0080.00816.28
7.3.200.0070.01016.25
7.3.190.0070.01016.34
7.3.180.0040.01616.26
7.3.170.0140.00416.18
7.3.160.0150.00016.40
7.3.140.0100.00616.40
7.3.130.0120.00316.04
7.3.120.0070.01316.43
7.3.110.0090.01216.26
7.3.100.0090.01216.23
7.3.90.0090.00916.30
7.3.80.0130.00416.53
7.3.70.0140.00416.26
7.3.60.0110.01116.21
7.3.50.0120.00916.25
7.3.40.0140.00616.09
7.3.30.0140.00316.26
7.3.20.0170.00316.17
7.3.10.0150.01016.18
7.3.00.0090.00816.23
7.2.330.0180.00616.26
7.2.320.0130.00616.54
7.2.310.0040.01216.60
7.2.300.0100.01316.60
7.2.290.0070.01016.63
7.2.270.0090.01216.25
7.2.260.0120.00616.27
7.2.250.0090.00816.56
7.2.240.0100.01316.43
7.2.230.0070.01016.43
7.2.220.0140.00316.51
7.2.210.0030.01816.45
7.2.200.0070.01616.46
7.2.190.0120.00616.26
7.2.180.0090.00916.18
7.2.170.0060.01216.32
7.2.160.0120.00616.32
7.2.150.0140.00416.55
7.2.140.0070.01116.20
7.2.130.0120.00916.17
7.2.120.0060.01316.18
7.2.110.0130.00916.30
7.2.100.0080.01016.35
7.2.90.0090.01216.39
7.2.80.0090.01016.22
7.2.70.0100.01016.32
7.2.60.0120.00616.23
7.2.50.0190.00316.32
7.2.40.0130.00716.22
7.2.30.0140.00916.43
7.2.20.0100.01316.36
7.2.10.0050.01516.30
7.2.00.0060.01316.40

preferences:
57.17 ms | 400 KiB | 5 Q