3v4l.org

run code in 300+ PHP versions simultaneously
<?php $res = preg_grep('#\d#u', ['a', "1\xFF", 'c']); var_dump(preg_last_error()); var_dump($res);

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)
8.3.60.0170.00318.68
8.3.50.0100.01016.46
8.3.40.0150.00418.76
8.3.30.0120.00318.83
8.3.20.0040.00420.07
8.3.10.0070.00022.09
8.3.00.0000.00820.80
8.2.180.0070.00725.92
8.2.170.0150.00019.13
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0070.00024.66
8.2.130.0040.00419.09
8.2.120.0030.00626.35
8.2.110.0040.00721.27
8.2.100.0080.00417.91
8.2.90.0000.00720.55
8.2.80.0000.00820.77
8.2.70.0000.00817.91
8.2.60.0030.00517.75
8.2.50.0000.00817.63
8.2.40.0040.00419.30
8.2.30.0050.00319.13
8.2.20.0040.00418.13
8.2.10.0040.00418.13
8.2.00.0040.00418.05
8.1.280.0070.00725.92
8.1.270.0060.00320.64
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0070.00320.61
8.1.230.0040.00820.84
8.1.220.0050.00317.74
8.1.210.0040.00418.85
8.1.200.0030.00517.48
8.1.190.0040.00417.36
8.1.180.0040.00418.10
8.1.170.0040.00418.96
8.1.160.0000.00718.93
8.1.150.0040.00420.18
8.1.140.0000.00719.70
8.1.130.0000.00718.89
8.1.120.0000.00817.50
8.1.110.0080.00017.43
8.1.100.0000.00717.60
8.1.90.0050.00317.49
8.1.80.0050.00217.43
8.1.70.0000.00717.47
8.1.60.0030.00617.55
8.1.50.0080.00017.43
8.1.40.0000.00817.45
8.1.30.0040.00417.63
8.1.20.0050.00317.75
8.1.10.0040.00417.54
8.1.00.0000.00717.50
8.0.300.0040.00419.88
8.0.290.0000.00716.88
8.0.280.0000.00718.38
8.0.270.0000.00716.94
8.0.260.0070.00018.75
8.0.250.0040.00416.98
8.0.240.0040.00417.14
8.0.230.0000.00717.13
8.0.220.0000.00717.08
8.0.210.0000.00716.97
8.0.200.0030.00317.07
8.0.190.0030.00517.09
8.0.180.0000.00717.07
8.0.170.0070.00317.07
8.0.160.0050.00216.98
8.0.150.0000.00816.86
8.0.140.0000.00716.98
8.0.130.0000.00513.45
8.0.120.0000.00916.98
8.0.110.0030.00316.92
8.0.100.0040.00417.00
8.0.90.0040.00417.12
8.0.80.0060.00917.07
8.0.70.0030.00517.14
8.0.60.0040.00416.98
8.0.50.0050.00316.91
8.0.30.0100.00717.31
8.0.20.0080.01117.40
8.0.10.0040.00417.23
8.0.00.0150.00917.08
7.4.330.0000.00415.55
7.4.320.0030.00316.79
7.4.300.0030.00316.84
7.4.290.0030.00516.77
7.4.280.0080.00016.80
7.4.270.0050.00516.77
7.4.260.0080.00016.78
7.4.250.0070.00016.62
7.4.240.0070.00016.70
7.4.230.0030.00316.75
7.4.220.0030.01416.85
7.4.210.0070.00716.82
7.4.200.0050.00216.54
7.4.160.0120.00416.51
7.4.150.0060.01217.40
7.4.140.0080.01017.86
7.4.130.0070.01416.63
7.4.120.0090.00816.69
7.4.110.0120.00616.76
7.4.100.0060.01316.64
7.4.90.0100.01016.70
7.4.80.0110.00619.39
7.4.70.0030.01716.72
7.4.60.0100.00716.55
7.4.50.0070.00716.59
7.4.40.0090.00916.52
7.4.30.0060.01116.69
7.4.00.0000.01215.14
7.3.330.0000.00613.22
7.3.320.0000.00513.32
7.3.310.0000.00716.27
7.3.300.0030.00316.34
7.3.290.0040.01116.38
7.3.280.0060.00916.34
7.3.270.0110.00717.40
7.3.260.0110.00816.42
7.3.250.0150.00716.45
7.3.240.0070.01016.40
7.3.230.0100.00616.43
7.3.210.0090.00916.31
7.3.200.0100.00716.50
7.3.190.0140.00316.40
7.3.180.0110.00516.40
7.3.170.0090.00616.31
7.3.160.0110.00516.74
7.3.10.0040.01116.39
7.3.00.0080.00416.51
7.2.330.0090.00916.54
7.2.320.0120.00616.69
7.2.310.0090.00616.59
7.2.300.0100.00716.78
7.2.290.0110.01116.80
7.2.130.0000.00917.04
7.2.120.0070.00716.77
7.2.110.0090.00616.82
7.2.100.0070.00316.75
7.2.90.0000.01416.79
7.2.80.0030.01016.94
7.2.70.0060.00316.71
7.2.60.0060.00616.90
7.2.50.0040.00816.58
7.2.40.0080.00416.47
7.2.30.0030.01016.89
7.2.20.0070.00717.08
7.2.10.0060.00616.85
7.2.00.0070.00717.02
7.1.250.0080.00815.92
7.1.200.0030.00916.06
7.1.80.0110.00918.07
7.1.70.0100.01117.20
7.1.60.0250.00935.30
7.1.50.0200.01335.06
7.1.40.0230.01234.65
7.1.30.0170.02134.49
7.1.20.0180.01334.94
7.1.10.0030.01016.50
7.1.00.0060.00916.91
7.0.200.0020.01516.76
7.0.190.0000.01616.91
7.0.180.0070.01216.50
7.0.170.0060.01116.65
7.0.160.0070.01116.56
7.0.150.0040.01216.20
7.0.140.0090.00716.54
7.0.130.0060.01016.32
7.0.120.0000.01916.68
7.0.110.0030.01316.59
7.0.100.0080.01016.51
7.0.90.0080.00516.51
7.0.80.0130.00316.37
7.0.70.0030.01416.33
7.0.60.0080.01016.16
7.0.50.0050.01016.71
7.0.40.0040.01516.52
7.0.30.0040.01416.38
7.0.20.0090.00816.60
7.0.10.0000.01716.52
7.0.00.0000.01716.60

preferences:
54.03 ms | 400 KiB | 5 Q