3v4l.org

run code in 300+ PHP versions simultaneously
<?php // warning: var_dump(preg_match('not a regex', '')); // no warning: var_dump(@preg_match('also not a regex', ''));

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)
8.3.130.0040.00418.47
8.3.120.0030.00620.86
8.3.110.0040.00420.94
8.3.100.0030.00618.44
8.3.90.0040.00426.77
8.3.80.0000.01016.73
8.3.70.0040.01116.58
8.3.60.0060.00918.68
8.3.50.0110.00416.19
8.3.40.0120.00318.58
8.3.30.0070.01118.59
8.3.20.0000.00824.18
8.3.10.0040.00424.66
8.3.00.0090.00326.16
8.2.250.0080.00016.53
8.2.240.0040.00417.30
8.2.230.0090.00922.58
8.2.220.0060.00337.54
8.2.210.0070.00726.77
8.2.200.0060.00318.29
8.2.190.0070.01016.75
8.2.180.0080.00625.92
8.2.170.0130.00618.91
8.2.160.0070.00722.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0030.00520.95
8.2.110.0000.01019.38
8.2.100.0040.00817.72
8.2.90.0030.00617.50
8.2.80.0030.00618.70
8.2.70.0090.00317.50
8.2.60.0000.00817.55
8.2.50.0070.00318.05
8.2.40.0000.01117.94
8.2.30.0000.00717.98
8.2.20.0040.00417.98
8.2.10.0040.00419.09
8.2.00.0000.00719.24
8.1.300.0030.00620.11
8.1.290.0090.00030.84
8.1.280.0150.00325.92
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.78
8.1.230.0110.00021.00
8.1.220.0080.00017.74
8.1.210.0000.00719.16
8.1.200.0030.00617.23
8.1.190.0000.00717.10
8.1.180.0000.00818.10
8.1.170.0080.00018.65
8.1.160.0040.00420.73
8.1.150.0080.00018.70
8.1.140.0000.00718.87
8.1.130.0030.00320.14
8.1.120.0050.00317.42
8.1.110.0080.00017.28
8.1.100.0000.00817.42
8.1.90.0040.00317.35
8.1.80.0000.01017.40
8.1.70.0040.00417.38
8.1.60.0090.00017.54
8.1.50.0030.00617.51
8.1.40.0000.00817.34
8.1.30.0040.00417.54
8.1.20.0050.00217.63
8.1.10.0040.00417.47
8.1.00.0060.00317.32
8.0.300.0000.00819.91
8.0.290.0070.00016.63
8.0.280.0030.00318.43
8.0.270.0000.00718.05
8.0.260.0030.00318.39
8.0.250.0040.00416.99
8.0.240.0040.00416.85
8.0.230.0000.00816.86
8.0.220.0000.00716.92
8.0.210.0030.00316.87
8.0.200.0030.00316.99
8.0.190.0040.00417.01
8.0.180.0030.00316.88
8.0.170.0050.00316.95
8.0.160.0030.00516.80
8.0.150.0070.00016.88
8.0.140.0030.00316.77
8.0.130.0060.00013.29
8.0.120.0030.00516.88
8.0.110.0070.00016.78
8.0.100.0020.00516.68
8.0.90.0000.00716.79
8.0.80.0080.00916.84
8.0.70.0000.00816.78
8.0.60.0040.00416.76
8.0.50.0030.00316.75
8.0.30.0140.00716.88
8.0.20.0030.01616.83
8.0.10.0070.01017.01
8.0.00.0090.01216.97
7.4.330.0000.00515.55
7.4.320.0000.00616.48
7.4.300.0030.00316.46
7.4.290.0000.00716.37
7.4.280.0030.00516.29
7.4.270.0030.00316.43
7.4.260.0040.00416.51
7.4.250.0030.00316.49
7.4.240.0050.00316.44
7.4.230.0070.00016.55
7.4.220.0000.00716.38
7.4.210.0070.00816.43
7.4.200.0050.00216.52
7.4.160.0080.00616.52
7.4.150.0140.00616.47
7.4.140.0170.00516.36
7.4.130.0150.00616.27
7.4.120.0090.01216.45
7.4.110.0030.01616.36
7.4.100.0120.00616.37
7.4.90.0060.01716.43
7.4.80.0070.01016.35
7.4.70.0100.01016.31
7.4.60.0120.00916.45
7.4.50.0090.01216.38
7.4.40.0030.01716.29
7.4.30.0110.00816.22
7.4.20.0140.01016.30
7.4.10.0150.00416.23
7.4.00.0090.01216.30
7.3.330.0060.00016.32
7.3.320.0070.00012.92
7.3.310.0020.00516.17
7.3.300.0040.00416.18
7.3.290.0040.01116.26
7.3.270.0160.00316.25
7.3.260.0140.00716.19
7.3.250.0080.00816.22
7.3.240.0130.00816.11
7.3.230.0150.00616.15
7.3.220.0140.00716.16
7.3.210.0090.01316.11
7.3.200.0070.01316.16
7.3.190.0170.00316.25
7.3.180.0160.00816.22
7.3.170.0130.00716.11
7.3.160.0040.01616.15
7.3.150.0160.00716.09
7.3.140.0090.01216.19
7.3.130.0040.01416.07
7.3.120.0090.00816.16
7.3.110.0060.01016.01
7.3.100.0040.01716.07
7.3.90.0070.01016.34
7.3.80.0090.00616.18
7.3.70.0030.01316.21
7.3.60.0060.00916.37
7.3.50.0120.00616.27
7.3.40.0180.00016.21
7.3.30.0070.01416.19
7.3.20.0120.00616.27
7.3.10.0050.01216.21
7.3.00.0150.00416.18

preferences:
34.41 ms | 403 KiB | 5 Q