3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("/(T|X)+/", str_repeat('X', 1023).'{#test}', $matches)); var_dump(preg_match("/(T|X)+/", str_repeat('X', 1024).'{#test}', $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)
8.3.60.0120.00318.68
8.3.50.0120.00622.17
8.3.40.0070.01018.88
8.3.30.0060.01218.82
8.3.20.0040.00420.16
8.3.10.0040.00420.55
8.3.00.0000.00721.87
8.2.180.0140.00316.63
8.2.170.0100.00722.96
8.2.160.0100.00322.29
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0000.00821.12
8.2.120.0080.00026.35
8.2.110.0100.00019.34
8.2.100.0070.00417.78
8.2.90.0080.00019.05
8.2.80.0060.00317.97
8.2.70.0030.00517.75
8.2.60.0030.00617.68
8.2.50.0040.00418.10
8.2.40.0060.00320.53
8.2.30.0070.00019.23
8.2.20.0040.00417.79
8.2.10.0050.00218.06
8.2.00.0050.00218.04
8.1.280.0120.00425.92
8.1.270.0040.01122.10
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0170.00324.14
8.1.230.0000.01119.48
8.1.220.0030.00517.74
8.1.210.0090.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0030.00618.10
8.1.170.0000.00818.62
8.1.160.0040.00420.66
8.1.150.0060.00318.79
8.1.140.0030.00519.55
8.1.130.0000.00717.59
8.1.120.0040.00417.46
8.1.110.0040.00417.44
8.1.100.0000.00717.50
8.1.90.0040.00417.55
8.1.80.0000.00717.52
8.1.70.0030.00317.46
8.1.60.0030.00517.66
8.1.50.0060.00317.67
8.1.40.0030.00617.51
8.1.30.0080.00017.79
8.1.20.0000.00717.59
8.1.10.0040.00417.53
8.1.00.0000.00717.50
8.0.300.0000.00818.77
8.0.290.0000.00816.75
8.0.280.0030.00318.42
8.0.270.0030.00317.14
8.0.260.0030.00317.17
8.0.250.0030.00317.06
8.0.240.0000.00817.06
8.0.230.0000.00717.03
8.0.220.0040.00417.00
8.0.210.0030.00316.98
8.0.200.0030.00717.11
8.0.190.0070.00017.09
8.0.180.0030.00617.00
8.0.170.0080.00017.05
8.0.160.0000.00716.97
8.0.150.0040.00416.97
8.0.140.0030.00516.82
8.0.130.0030.00313.46
8.0.120.0040.00417.02
8.0.110.0040.00416.94
8.0.100.0040.00416.82
8.0.90.0000.00716.93
8.0.80.0070.00716.89
8.0.70.0040.00416.84
8.0.60.0000.00816.78
8.0.50.0050.00316.98
8.0.30.0100.00517.06
8.0.20.0130.00617.44
8.0.10.0040.00416.99
8.0.00.0110.00816.81
7.4.330.0000.00516.68
7.4.320.0060.00016.56
7.4.300.0030.00316.63
7.4.290.0000.00816.72
7.4.280.0070.00016.59
7.4.270.0070.00016.56
7.4.260.0000.00716.64
7.4.250.0000.00816.58
7.4.240.0040.00416.61
7.4.230.0070.00016.73
7.4.220.0150.00616.65
7.4.210.0000.01416.64
7.4.200.0030.00316.45
7.4.160.0040.01116.54
7.4.150.0090.00917.40
7.4.140.0070.01017.86
7.4.130.0110.00516.64
7.4.120.0090.00916.54
7.4.110.0080.00916.63
7.4.100.0170.00716.66
7.4.90.0100.01416.81
7.4.80.0070.01019.39
7.4.70.0030.01216.74
7.4.60.0160.00616.64
7.4.50.0030.01316.67
7.4.40.0110.00516.52
7.4.30.0100.01016.69
7.4.00.0090.00314.91
7.3.330.0000.00613.20
7.3.320.0050.00013.30
7.3.310.0000.00716.51
7.3.300.0030.00316.37
7.3.290.0070.00916.36
7.3.280.0140.00516.38
7.3.270.0150.00617.40
7.3.260.0000.02116.41
7.3.250.0110.00616.42
7.3.240.0070.01116.45
7.3.230.0090.01016.39
7.3.210.0090.00916.76
7.3.200.0170.00516.43
7.3.190.0030.01916.60
7.3.180.0130.00816.43
7.3.170.0070.01016.65
7.3.160.0100.00616.58
7.2.330.0080.00816.77
7.2.320.0070.01316.72
7.2.310.0060.01216.70
7.2.300.0120.00316.63
7.2.290.0040.01116.55
7.2.60.0100.00716.82
7.2.50.0030.01317.11
7.2.00.0030.01319.52
7.1.200.0000.01515.70
7.1.70.0040.00717.37
7.1.60.0070.01719.19
7.1.50.0060.00616.74
7.1.00.0000.08022.55
7.0.200.0090.00616.81
7.0.60.0130.07721.89
7.0.50.0070.07717.91
7.0.40.0170.06020.04
7.0.30.0270.08320.20
7.0.20.0370.06320.20
7.0.10.0100.08320.05
7.0.00.0070.09320.12
5.6.210.0100.08021.52
5.6.200.0000.04319.05
5.6.190.0130.07721.40
5.6.180.0300.07321.59
5.6.170.0200.04721.48
5.6.160.0170.07021.39
5.6.150.0030.07719.08
5.6.140.0130.07319.11
5.6.130.0070.05019.20
5.6.120.0100.06321.97
5.6.110.0030.04321.97
5.6.100.0100.08322.07
5.6.90.0130.05321.95
5.6.80.0170.05721.37
5.5.350.0400.05321.39
5.5.340.0070.05018.99
5.5.330.0030.04721.11
5.5.320.0470.04321.30
5.5.310.0330.06321.14
5.5.300.0070.04718.91
5.5.290.0070.07019.00
5.5.280.0100.07021.76
5.5.270.0070.06721.60
5.5.260.0130.08021.76
5.5.250.0130.07721.64
5.5.240.0030.07021.03

preferences:
32.62 ms | 401 KiB | 5 Q