3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("/((X))+/", str_repeat('X', 1023), $matches)); var_dump(preg_match("/((X))+/", str_repeat('X', 1024), $matches));

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)
8.3.60.0090.00618.68
8.3.50.0080.01022.11
8.3.40.0110.00718.88
8.3.30.0120.00318.84
8.3.20.0070.00020.16
8.3.10.0000.00820.66
8.3.00.0040.00421.78
8.2.180.0120.00616.75
8.2.170.0040.01122.96
8.2.160.0110.00322.41
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0040.00419.45
8.2.120.0040.00426.35
8.2.110.0090.00022.25
8.2.100.0110.00017.68
8.2.90.0040.00419.07
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0050.00317.91
8.2.50.0000.00818.09
8.2.40.0080.00020.57
8.2.30.0000.00719.26
8.2.20.0040.00417.70
8.2.10.0060.00318.00
8.2.00.0030.00617.95
8.1.280.0070.00725.92
8.1.270.0040.00422.32
8.1.260.0020.00528.09
8.1.250.0050.00328.09
8.1.240.0080.00024.09
8.1.230.0080.00317.64
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0060.00317.48
8.1.180.0050.00318.10
8.1.170.0000.00818.90
8.1.160.0070.00020.71
8.1.150.0060.00318.88
8.1.140.0040.00419.38
8.1.130.0080.00017.54
8.1.120.0030.00317.39
8.1.110.0040.00317.43
8.1.100.0000.00717.56
8.1.90.0000.00717.40
8.1.80.0030.00317.43
8.1.70.0080.00017.54
8.1.60.0030.00517.60
8.1.50.0000.00917.41
8.1.40.0080.00017.57
8.1.30.0000.00817.71
8.1.20.0030.00617.59
8.1.10.0040.00417.64
8.1.00.0040.00417.46
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0050.00318.36
8.0.270.0040.00417.22
8.0.260.0060.00017.17
8.0.250.0070.00016.91
8.0.240.0040.00416.95
8.0.230.0050.00316.97
8.0.220.0040.00416.92
8.0.210.0000.00716.82
8.0.200.0060.00316.93
8.0.190.0050.00316.96
8.0.180.0060.00316.93
8.0.170.0040.00416.97
8.0.160.0070.00016.84
8.0.150.0000.00716.77
8.0.140.0030.00516.93
8.0.130.0000.00613.36
8.0.120.0060.00316.90
8.0.110.0030.00516.79
8.0.100.0050.00216.92
8.0.90.0040.00416.98
8.0.80.0100.00717.00
8.0.70.0040.00416.97
8.0.60.0050.00316.95
8.0.50.0030.00517.05
8.0.30.0110.00816.99
8.0.20.0120.00917.40
8.0.10.0040.00416.96
8.0.00.0140.00616.71
7.4.330.0000.00516.86
7.4.320.0030.00316.64
7.4.300.0030.00316.71
7.4.290.0070.00016.52
7.4.280.0040.00416.71
7.4.270.0000.00716.48
7.4.260.0050.00216.63
7.4.250.0040.00416.73
7.4.240.0070.00016.70
7.4.230.0040.00416.74
7.4.220.0040.01416.75
7.4.210.0060.00916.66
7.4.200.0000.00816.63
7.4.160.0170.00016.39
7.4.150.0100.00717.40
7.4.140.0100.01017.86
7.4.130.0070.01016.55
7.4.120.0120.00616.55
7.4.110.0080.00816.54
7.4.100.0090.00916.59
7.4.90.0060.01216.76
7.4.80.0030.01319.39
7.4.70.0090.00916.70
7.4.60.0160.00016.40
7.4.50.0040.01116.63
7.4.40.0090.00616.56
7.4.30.0120.00916.56
7.4.00.0000.01414.79
7.3.330.0000.00513.15
7.3.320.0030.00213.12
7.3.310.0000.00816.26
7.3.300.0030.00316.29
7.3.290.0090.00816.35
7.3.280.0070.01016.33
7.3.270.0060.01317.40
7.3.260.0040.01316.55
7.3.250.0130.00616.43
7.3.240.0090.00916.57
7.3.230.0120.00916.61
7.3.210.0110.00616.61
7.3.200.0110.01116.50
7.3.190.0030.01316.23
7.3.180.0000.01716.36
7.3.170.0060.00916.27
7.3.160.0150.00016.22
7.3.120.0170.00015.12
7.3.110.0060.00614.98
7.3.100.0070.01014.84
7.3.90.0030.01214.93
7.3.80.0030.00914.76
7.3.70.0060.00914.75
7.3.60.0030.01014.69
7.3.50.0030.01014.89
7.3.40.0000.01214.68
7.3.30.0030.00914.91
7.3.20.0090.00916.50
7.3.10.0120.00616.88
7.3.00.0090.00616.76
7.2.330.0060.01216.67
7.2.320.0100.00716.45
7.2.310.0150.00516.61
7.2.300.0090.00916.64
7.2.290.0110.00516.53
7.2.240.0000.01714.82
7.2.230.0000.01615.01
7.2.220.0060.00614.81
7.2.210.0070.00714.89
7.2.200.0080.00615.03
7.2.190.0090.00614.98
7.2.180.0000.01115.04
7.2.170.0040.01114.75
7.2.160.0140.00515.04
7.2.150.0070.01116.77
7.2.140.0060.01216.76
7.2.130.0130.00316.73
7.2.120.0130.00016.76
7.2.110.0100.00716.78
7.2.100.0060.00616.86
7.2.90.0060.00616.91
7.2.80.0030.01216.99
7.2.70.0030.01316.67
7.2.60.0030.01016.92
7.2.50.0080.00816.80
7.2.40.0110.00716.96
7.2.30.0070.00717.00
7.2.20.0080.00817.03
7.2.10.0100.00316.82
7.2.00.0070.00918.03
7.1.330.0050.00516.02
7.1.320.0060.00915.86
7.1.310.0040.01115.74
7.1.300.0090.00615.77
7.1.290.0000.01715.83
7.1.280.0100.00315.69
7.1.270.0150.00415.64
7.1.260.0120.00415.61
7.1.250.0070.00715.86
7.1.200.0000.00715.88
7.1.100.0140.00018.16
7.1.70.0030.00516.96
7.1.60.0030.02019.19
7.1.50.0030.01617.13
7.1.00.0030.07322.41
7.0.200.0140.01014.66
7.0.60.0270.06721.90
7.0.50.0170.06017.84
7.0.40.0100.08720.43
7.0.30.0300.08020.20
7.0.20.0370.05320.04
7.0.10.0100.05320.13
7.0.00.0070.08720.15
5.6.280.0000.03722.58
5.6.210.0200.06321.98
5.6.200.0100.03319.61
5.6.190.0170.07721.82
5.6.180.0330.07021.91
5.6.170.0170.04321.98
5.6.160.0030.05322.11
5.6.150.0070.04319.61
5.6.140.0000.06719.64
5.6.130.0070.04319.67
5.6.120.0070.06022.36
5.6.110.0070.04022.46
5.6.100.0130.07022.45
5.6.90.0030.09022.50
5.6.80.0070.07321.83
5.5.350.0370.06021.86
5.5.340.0100.08019.38
5.5.330.0070.04321.64
5.5.320.0200.05721.66
5.5.310.0170.05321.70
5.5.300.0200.07019.48
5.5.290.0000.05319.36
5.5.280.0030.08322.12
5.5.270.0100.08022.25
5.5.260.0070.08022.25
5.5.250.0170.08022.04
5.5.240.0030.09021.62

preferences:
87.22 ms | 401 KiB | 5 Q