3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('pcre.jit', 1); var_dump(preg_match("/(T|X)+/", str_repeat('X', 1023), $matches)); var_dump(preg_match("/(T|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)
8.3.60.0160.00618.55
8.3.50.0140.00522.11
8.3.40.0170.00318.54
8.3.30.0090.00618.70
8.3.20.0070.00020.39
8.3.10.0040.00420.53
8.3.00.0060.00321.80
8.2.180.0070.00716.63
8.2.170.0100.00722.96
8.2.160.0100.00322.30
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00319.27
8.2.120.0080.00026.35
8.2.110.0060.00320.85
8.2.100.0090.00317.93
8.2.90.0030.00519.09
8.2.80.0040.00417.97
8.2.70.0030.00717.50
8.2.60.0050.00317.93
8.2.50.0110.00019.38
8.2.40.0050.00320.43
8.2.30.0070.00019.45
8.2.20.0000.00717.84
8.2.10.0030.00518.04
8.2.00.0050.00317.97
8.1.280.0030.01225.92
8.1.270.0000.00822.09
8.1.260.0090.00028.09
8.1.250.0040.00428.09
8.1.240.0090.00022.66
8.1.230.0070.00317.76
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0090.00017.11
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0030.00618.71
8.1.160.0000.00720.56
8.1.150.0040.00718.80
8.1.140.0000.00819.49
8.1.130.0000.00917.54
8.1.120.0050.00317.40
8.1.110.0090.00017.52
8.1.100.0080.00017.45
8.1.90.0040.00417.52
8.1.80.0040.00417.52
8.1.70.0030.00317.55
8.1.60.0040.00417.58
8.1.50.0030.00617.45
8.1.40.0030.00517.45
8.1.30.0000.00917.68
8.1.20.0080.00017.60
8.1.10.0080.00017.61
8.1.00.0040.00417.50
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0030.00318.27
8.0.270.0000.00717.21
8.0.260.0030.00317.09
8.0.250.0030.00316.99
8.0.240.0040.00416.98
8.0.230.0000.00717.03
8.0.220.0060.00316.83
8.0.210.0070.00016.97
8.0.200.0040.00717.00
8.0.190.0030.00617.00
8.0.180.0050.00517.01
8.0.170.0050.00316.95
8.0.160.0070.00016.92
8.0.150.0070.00016.84
8.0.140.0030.00616.91
8.0.130.0070.00013.35
8.0.120.0040.00416.93
8.0.110.0040.00416.96
8.0.100.0080.00016.90
8.0.90.0000.00816.89
8.0.80.0130.00616.92
8.0.70.0020.00516.68
8.0.60.0040.00416.99
8.0.50.0030.00516.96
8.0.30.0080.00917.10
8.0.20.0080.01317.40
8.0.10.0000.00717.00
8.0.00.0050.01316.82
7.4.330.0000.00516.80
7.4.320.0060.00016.75
7.4.300.0000.00816.52
7.4.290.0000.00816.62
7.4.280.0070.00016.69
7.4.270.0070.00016.73
7.4.260.0030.00516.72
7.4.250.0030.00516.59
7.4.240.0070.00016.69
7.4.230.0000.00716.61
7.4.220.0070.01216.59
7.4.210.0040.01116.82
7.4.200.0040.00416.71
7.4.160.0130.00716.47
7.4.150.0100.00717.40
7.4.140.0070.01117.86
7.4.130.0080.01016.67
7.4.120.0080.01116.68
7.4.110.0080.00916.40
7.4.100.0170.00616.54
7.4.90.0110.01116.57
7.4.80.0070.01019.39
7.4.70.0110.00516.62
7.4.60.0060.01016.62
7.4.50.0080.00416.53
7.4.40.0030.01316.60
7.4.30.0130.00316.72
7.4.00.0090.00714.81
7.3.330.0000.00513.14
7.3.320.0000.00513.09
7.3.310.0070.00016.20
7.3.300.0000.00616.29
7.3.290.0050.01416.29
7.3.280.0050.01116.33
7.3.270.0110.00717.40
7.3.260.0160.00616.31
7.3.250.0110.00616.45
7.3.240.0110.00516.45
7.3.230.0100.00916.39
7.3.210.0150.00316.65
7.3.200.0100.01416.29
7.3.190.0160.00016.56
7.3.180.0080.01216.21
7.3.170.0130.00316.34
7.3.160.0130.00616.37
7.3.120.0080.00814.95
7.3.110.0070.01014.86
7.3.100.0100.00414.94
7.3.90.0050.01014.79
7.3.80.0050.00714.88
7.3.70.0030.00914.74
7.3.60.0080.00914.74
7.3.50.0100.00314.67
7.3.40.0030.01214.90
7.3.30.0100.00314.76
7.3.20.0070.00516.74
7.3.10.0040.00816.73
7.3.00.0090.00616.71
7.2.330.0110.00816.43
7.2.320.0140.00716.47
7.2.310.0060.01116.52
7.2.300.0190.00516.62
7.2.290.0100.00716.47
7.2.250.0060.01315.00
7.2.240.0050.01214.79
7.2.230.0100.00715.00
7.2.220.0050.00815.12
7.2.210.0050.01015.02
7.2.200.0070.00714.87
7.2.190.0110.00714.72
7.2.180.0090.00714.99
7.2.170.0050.00815.12
7.2.160.0070.00715.13
7.2.150.0070.01016.85
7.2.140.0090.00317.09
7.2.130.0100.00716.81
7.2.120.0040.01116.97
7.2.110.0120.00016.89
7.2.100.0060.00817.11
7.2.90.0100.00316.90
7.2.80.0110.00316.93
7.2.70.0060.00916.61
7.2.60.0100.00516.62
7.2.50.0060.00916.72
7.2.40.0040.01516.89
7.2.30.0060.01216.90
7.2.20.0000.01116.93
7.2.10.0030.00716.69
7.2.00.0040.00918.10
7.1.330.0090.00715.86
7.1.320.0030.01115.81
7.1.310.0080.00815.57
7.1.300.0050.01215.81
7.1.290.0070.00915.91
7.1.280.0050.00715.72
7.1.270.0100.00515.96
7.1.260.0040.00915.86
7.1.250.0030.00715.81
7.1.200.0040.00816.06
7.1.100.0150.00018.39
7.1.70.0030.00617.25
7.1.60.0090.01619.19
7.1.50.0040.00816.98
7.1.00.0100.07022.55
7.0.200.0360.01014.57
7.0.60.0200.07321.75
7.0.50.0100.08717.84
7.0.40.0100.05320.28
7.0.30.0270.04320.22
7.0.20.0430.05720.21
7.0.10.0070.08720.24
7.0.00.0130.08020.23
5.6.280.0000.03722.10
5.6.210.0070.05321.44
5.6.200.0070.03719.11
5.6.190.0070.05721.43
5.6.180.0370.07021.40
5.6.170.0200.04021.48
5.6.160.0030.05321.38
5.6.150.0070.04719.17
5.6.140.0070.05719.06
5.6.130.0070.08019.19
5.6.120.0130.08322.05
5.6.110.0030.04021.91
5.6.100.0130.07721.93
5.6.90.0100.08722.06
5.6.80.0100.07721.31
5.5.350.0330.07321.36
5.5.340.0030.06719.01
5.5.330.0070.04021.06
5.5.320.0600.05021.20
5.5.310.0300.07321.29
5.5.300.0070.07719.01
5.5.290.0100.07018.97
5.5.280.0030.07721.94
5.5.270.0070.04321.60
5.5.260.0130.06721.60
5.5.250.0100.04321.68
5.5.240.0030.07021.33

preferences:
57.63 ms | 401 KiB | 5 Q