3v4l.org

run code in 300+ PHP versions simultaneously
<?php 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)
8.3.40.0140.00418.98
8.3.30.0110.00318.85
8.3.20.0040.00420.35
8.3.10.0050.00320.48
8.3.00.0040.00421.85
8.2.170.0030.01422.96
8.2.160.0140.00022.32
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00719.31
8.2.120.0080.00026.35
8.2.110.0030.00620.43
8.2.100.0040.00717.80
8.2.90.0000.00919.04
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0030.00617.80
8.2.50.0050.00318.09
8.2.40.0000.00920.54
8.2.30.0040.00419.36
8.2.20.0050.00217.79
8.2.10.0040.00417.98
8.2.00.0070.00017.89
8.1.270.0080.00022.08
8.1.260.0090.00028.09
8.1.250.0060.00328.09
8.1.240.0030.00622.20
8.1.230.0070.00417.58
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00916.98
8.1.180.0030.00618.10
8.1.170.0050.00318.78
8.1.160.0040.00420.64
8.1.150.0040.00418.80
8.1.140.0060.00319.50
8.1.130.0020.00517.61
8.1.120.0040.00417.39
8.1.110.0040.00417.43
8.1.100.0000.00717.41
8.1.90.0040.00417.39
8.1.80.0000.00717.54
8.1.70.0040.00417.53
8.1.60.0030.00617.52
8.1.50.0040.00417.56
8.1.40.0080.00017.61
8.1.30.0000.00917.68
8.1.20.0040.00417.61
8.1.10.0000.00817.63
8.1.00.0000.00817.51
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.42
8.0.270.0030.00317.18
8.0.260.0030.00317.14
8.0.250.0000.00716.88
8.0.240.0020.00517.02
8.0.230.0030.00316.86
8.0.220.0000.00716.91
8.0.210.0070.00016.91
8.0.200.0100.00017.02
8.0.190.0070.00016.98
8.0.180.0110.00016.98
8.0.170.0040.00416.89
8.0.160.0000.00716.88
8.0.150.0000.00816.86
8.0.140.0040.00416.83
8.0.130.0000.00613.36
8.0.120.0090.00016.88
8.0.110.0070.00016.86
8.0.100.0040.00416.80
8.0.90.0070.00016.80
8.0.80.0000.01616.93
8.0.70.0040.00416.86
8.0.60.0050.00316.96
8.0.50.0040.00417.02
8.0.30.0110.00817.08
8.0.20.0140.00517.40
8.0.10.0000.00717.03
8.0.00.0140.00916.86
7.4.330.0060.00016.86
7.4.320.0000.00616.53
7.4.300.0030.00316.73
7.4.290.0030.00316.61
7.4.280.0030.00516.75
7.4.270.0030.00316.63
7.4.260.0050.00316.50
7.4.250.0040.00416.67
7.4.240.0070.00016.53
7.4.230.0040.00416.72
7.4.220.0040.01516.56
7.4.210.0090.00516.67
7.4.200.0030.00316.82
7.4.160.0060.00916.78
7.4.150.0090.00917.40
7.4.140.0150.00517.86
7.4.130.0070.01316.70
7.4.120.0060.01116.52
7.4.110.0040.01316.49
7.4.100.0060.01516.66
7.4.90.0100.00716.75
7.4.80.0060.01219.39
7.4.70.0090.00616.60
7.4.60.0060.01016.86
7.4.50.0130.00316.33
7.4.40.0100.00716.58
7.4.30.0060.01216.55
7.4.00.0050.01315.08
7.3.330.0000.00713.18
7.3.320.0030.00313.21
7.3.310.0000.00716.32
7.3.300.0030.00316.18
7.3.290.0130.00316.32
7.3.280.0110.00916.33
7.3.270.0060.01117.40
7.3.260.0030.01316.56
7.3.250.0100.00916.48
7.3.240.0100.00816.45
7.3.230.0110.00716.66
7.3.210.0080.00816.70
7.3.200.0160.00016.26
7.3.190.0130.00316.34
7.3.180.0130.01016.40
7.3.170.0140.00816.45
7.3.160.0090.00616.40
7.3.120.0030.00914.61
7.3.110.0100.00714.63
7.3.100.0030.01014.83
7.3.90.0130.00315.07
7.3.80.0060.00614.57
7.3.70.0070.00714.77
7.3.60.0000.01114.87
7.3.50.0060.00314.70
7.3.40.0000.00914.52
7.3.30.0040.01114.52
7.3.20.0040.00716.55
7.3.10.0070.01016.72
7.3.00.0110.00416.46
7.2.330.0140.00316.41
7.2.320.0070.01616.57
7.2.310.0150.00416.54
7.2.300.0150.00316.68
7.2.290.0110.00516.57
7.2.250.0030.01514.77
7.2.240.0100.01014.98
7.2.230.0090.00315.28
7.2.220.0060.00915.07
7.2.210.0090.00614.75
7.2.200.0000.01715.02
7.2.190.0130.00014.94
7.2.180.0090.00615.08
7.2.170.0000.00915.18
7.2.130.0050.01116.54
7.2.120.0060.00916.99
7.2.110.0090.00616.55
7.2.100.0070.01516.79
7.2.90.0150.00717.13
7.2.80.0120.00016.61
7.2.70.0160.00817.07
7.2.60.0070.00616.72
7.2.50.0140.00616.73
7.2.40.0120.00616.80
7.2.30.0090.00616.86
7.2.20.0100.01416.72
7.2.10.0080.00816.89
7.2.00.0050.00918.09
7.1.330.0030.01315.72
7.1.320.0080.00315.91
7.1.310.0060.00615.56
7.1.300.0000.01416.01
7.1.290.0000.01115.81
7.1.280.0100.00316.02
7.1.270.0070.00716.04
7.1.260.0060.00315.81
7.1.250.0090.00915.72
7.1.200.0060.00616.04
7.1.100.0030.01018.16
7.1.70.0030.00617.29
7.1.60.0040.02119.19
7.1.50.0030.01316.91
7.1.00.0100.07022.58
7.0.200.0250.00414.79
7.0.100.0100.05719.98
7.0.90.0030.05719.87
7.0.80.0500.07019.99
7.0.70.0130.07719.91
7.0.60.0030.04319.79
7.0.50.0030.04320.30
7.0.40.0130.07720.09
7.0.30.0070.08020.17
7.0.20.0130.06720.09
7.0.10.0030.07320.00
7.0.00.0030.05320.17
5.6.280.0070.04021.89
5.6.250.0070.05021.57
5.6.240.0070.05721.58
5.6.230.0230.08721.71
5.6.220.0030.09021.65
5.6.210.0100.07321.63
5.6.200.0100.06721.88
5.6.190.0030.06322.02
5.6.180.0070.08021.92
5.6.170.0030.05022.03
5.6.160.0030.04321.91
5.6.150.0070.05022.04
5.6.140.0130.07021.97
5.6.130.0130.07321.97
5.6.120.0030.08721.89
5.6.110.0030.07722.00
5.6.100.0030.05022.12
5.6.90.0100.04321.97
5.6.80.0130.05721.33
5.6.70.0100.08321.37
5.6.60.0200.04021.35
5.6.50.0070.08021.23
5.6.40.0100.04021.25
5.6.30.0100.04021.45
5.6.20.0200.05721.40
5.6.10.0030.04721.35
5.6.00.0100.06721.48
5.5.380.0070.08321.47
5.5.370.0130.07321.46
5.5.360.0170.07321.33
5.5.350.0100.07721.40
5.5.340.0170.06721.59
5.5.330.0100.08021.87
5.5.320.0000.05021.80
5.5.310.0070.05321.85
5.5.300.0070.06321.84
5.5.290.0100.08021.74
5.5.280.0100.08021.79
5.5.270.0030.08721.79
5.5.260.0100.08021.73
5.5.250.0070.04721.68
5.5.240.0170.04021.16
5.5.230.0130.07321.23
5.5.220.0070.08321.21
5.5.210.0100.06021.23
5.5.200.0030.05021.14
5.5.190.0070.07321.23
5.5.180.0170.07321.18
5.5.160.0030.07721.16
5.5.150.0100.08321.20
5.5.140.0130.07321.20
5.5.130.0100.05320.95
5.5.120.0070.08021.05
5.5.110.0070.08320.93
5.5.100.0070.04021.13
5.5.90.0070.05321.11
5.5.80.0100.07721.16
5.5.70.0030.04321.10
5.5.60.0000.05721.01
5.5.50.0100.03321.11
5.5.40.0030.07721.10
5.5.30.0100.05721.09
5.5.20.0170.06721.01
5.5.10.0200.07320.92
5.5.00.0130.07721.00

preferences:
49.82 ms | 400 KiB | 5 Q