3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match( '/^\{#{\d+}*\}/', '{#1234} Subject', $matches); echo $matches[1]; // 1234

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)
8.3.40.0060.00919.10
8.3.30.0080.00619.07
8.3.20.0080.00020.19
8.3.10.0000.00821.72
8.3.00.0000.00719.23
8.2.170.0090.00622.96
8.2.160.0030.01019.31
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0030.00626.16
8.2.120.0000.00819.55
8.2.110.0060.00320.99
8.2.100.0080.00418.03
8.2.90.0040.00417.74
8.2.80.0050.00317.97
8.2.70.0040.00417.93
8.2.60.0050.00318.16
8.2.50.0000.00818.10
8.2.40.0050.00322.14
8.2.30.0000.00819.31
8.2.20.0040.00417.95
8.2.10.0050.00318.07
8.2.00.0040.00417.71
8.1.270.0080.00018.79
8.1.260.0080.00026.35
8.1.250.0090.00028.09
8.1.240.0080.00022.18
8.1.230.0040.00720.96
8.1.220.0090.00017.74
8.1.210.0060.00318.77
8.1.200.0100.00017.22
8.1.190.0000.00817.23
8.1.180.0030.01018.10
8.1.170.0030.00618.78
8.1.160.0070.00020.24
8.1.150.0070.00018.75
8.1.140.0090.00017.52
8.1.130.0000.00717.77
8.1.120.0000.00717.55
8.1.110.0070.00017.48
8.1.100.0070.00017.47
8.1.90.0040.00417.48
8.1.80.0050.00217.47
8.1.70.0000.00817.47
8.1.60.0000.00817.61
8.1.50.0030.00517.45
8.1.40.0040.00417.54
8.1.30.0040.00417.55
8.1.20.0000.00717.57
8.1.10.0000.00717.64
8.1.00.0050.00517.59
8.0.300.0000.00819.85
8.0.290.0070.00016.61
8.0.280.0000.00718.39
8.0.270.0070.00017.20
8.0.260.0040.00417.20
8.0.250.0020.00517.12
8.0.240.0040.00416.92
8.0.230.0040.00417.04
8.0.220.0000.00716.85
8.0.210.0040.00416.98
8.0.200.0080.00316.89
8.0.190.0040.00417.00
8.0.180.0040.00416.88
8.0.170.0000.00716.92
8.0.160.0030.00316.89
8.0.150.0030.00316.82
8.0.140.0040.00416.87
8.0.130.0050.00013.46
8.0.120.0080.00016.98
8.0.110.0040.00416.87
8.0.100.0040.00416.91
8.0.90.0040.00417.02
8.0.80.0090.00617.03
8.0.70.0000.00816.87
8.0.60.0030.00516.86
8.0.50.0040.00416.88
8.0.30.0120.01017.21
8.0.20.0120.00717.45
8.0.10.0000.00717.11
8.0.00.0110.00916.71
7.4.330.0000.00515.03
7.4.320.0060.00016.68
7.4.300.0040.00416.54
7.4.290.0030.00316.61
7.4.280.0000.00716.71
7.4.270.0020.00516.67
7.4.260.0030.00313.28
7.4.250.0000.00816.53
7.4.240.0020.00616.68
7.4.230.0000.00716.67
7.4.220.0160.00316.66
7.4.210.0090.00616.65
7.4.200.0040.00416.59
7.4.160.0100.00616.55
7.4.150.0060.01817.40
7.4.140.0120.01017.86
7.4.130.0080.01116.60
7.4.120.0070.01116.53
7.4.110.0100.01016.49
7.4.100.0090.01216.63
7.4.90.0110.00816.58
7.4.80.0070.01019.39
7.4.70.0120.00616.63
7.4.60.0100.00716.61
7.4.50.0000.00916.61
7.4.40.0120.00416.72
7.4.30.0100.01016.47
7.4.00.0110.00414.97
7.3.330.0050.00013.21
7.3.320.0030.00313.28
7.3.310.0030.00516.52
7.3.300.0050.00216.38
7.3.290.0090.00716.43
7.3.280.0050.00816.42
7.3.270.0130.00617.40
7.3.260.0150.00916.67
7.3.250.0130.00716.64
7.3.240.0140.00416.33
7.3.230.0120.00416.41
7.3.210.0030.01316.52
7.3.200.0110.01219.39
7.3.190.0090.00616.52
7.3.180.0100.01016.77
7.3.170.0210.00316.77
7.3.160.0130.00316.41
7.3.120.0080.00414.91
7.3.110.0000.00815.22
7.3.100.0080.00015.04
7.3.90.0000.00914.99
7.3.80.0030.00915.12
7.3.70.0060.00614.92
7.3.60.0090.00015.01
7.3.50.0000.00914.80
7.3.40.0050.00314.99
7.3.30.0040.00814.95
7.3.20.0040.00416.73
7.3.10.0040.00816.78
7.3.00.0030.00616.85
7.2.330.0130.00416.61
7.2.320.0120.00616.65
7.2.310.0040.01716.77
7.2.300.0070.01416.69
7.2.290.0110.00716.59
7.2.240.0120.00014.78
7.2.230.0030.00915.24
7.2.220.0000.01315.24
7.2.210.0070.01115.22
7.2.200.0030.00915.03
7.2.190.0090.00915.34
7.2.180.0030.01415.00
7.2.170.0040.01215.09
7.2.160.0080.00415.21
7.2.150.0030.01016.85
7.2.140.0000.01217.14
7.2.130.0000.01217.22
7.2.120.0000.00916.76
7.2.110.0080.00317.05
7.2.100.0000.01216.92
7.2.90.0090.00616.97
7.2.80.0070.00317.11
7.2.70.0030.01016.74
7.2.60.0000.00916.84
7.2.50.0050.00517.02
7.2.40.0040.01117.03
7.2.30.0030.01017.19
7.2.20.0060.00616.89
7.2.10.0060.01017.07
7.2.00.0050.01118.33
7.1.330.0000.01315.81
7.1.320.0030.01015.87
7.1.310.0060.00615.91
7.1.300.0070.00715.73
7.1.290.0070.00716.01
7.1.280.0090.00015.60
7.1.270.0000.01215.74
7.1.260.0040.00715.99
7.1.250.0080.00515.81
7.1.100.0110.01118.28
7.1.70.0080.00017.33
7.1.60.0060.01919.22
7.1.50.0030.01716.60
7.1.00.0030.07722.30
7.0.200.0070.00417.02
7.0.140.0000.03722.15
7.0.60.0170.06319.86
7.0.50.0100.06717.89
7.0.40.0170.05320.11
7.0.30.0300.08020.22
7.0.20.0130.04320.05
7.0.10.0130.05020.34
7.0.00.0100.04020.21
5.6.280.0070.07021.13
5.6.210.0070.08020.74
5.6.200.0170.04718.15
5.6.190.0170.06720.35
5.6.180.0270.08020.60
5.6.170.0330.07320.51
5.6.160.0070.04020.38
5.6.150.0200.06018.20
5.6.140.0070.07318.11
5.6.130.0030.06018.14
5.6.120.0000.04721.01
5.6.110.0030.07721.10
5.6.100.0130.08321.06
5.6.90.0130.04320.96
5.6.80.0100.07720.37
5.5.350.0300.07720.37
5.5.340.0030.04717.98
5.5.330.0130.07320.56
5.5.320.0230.04320.20
5.5.310.0070.05020.29
5.5.300.0130.07717.96
5.5.290.0100.08018.02
5.5.280.0100.07020.89
5.5.270.0000.09320.74
5.5.260.0130.08020.78
5.5.250.0100.09720.54
5.5.240.0000.07720.22
5.4.450.0370.07019.25
5.4.440.0270.06319.20
5.4.430.0330.03319.54
5.4.420.0230.07319.22
5.4.410.0370.07019.28
5.4.400.0330.03319.06
5.4.390.0400.06319.25
5.4.380.0230.04019.09
5.4.370.0330.05319.13
5.4.360.0230.03718.91
5.4.350.0230.06318.81
5.4.340.0230.04018.79
5.4.320.0270.04018.88
5.4.310.0270.05019.08
5.4.300.0330.05019.08
5.4.290.0230.05719.09
5.4.280.0230.04019.10
5.4.270.0270.05019.08
5.4.260.0230.04319.06
5.4.250.0300.06319.05
5.4.240.0300.06719.23
5.4.230.0270.04019.23
5.4.220.0270.04019.28
5.4.210.0230.07318.82
5.4.200.0300.05019.13
5.4.190.0300.03018.91
5.4.180.0270.08018.78
5.4.170.0300.08019.11
5.4.160.0300.07319.20
5.4.150.0270.06719.11
5.4.140.0230.04716.43
5.4.130.0300.06316.42
5.4.120.0200.04716.43
5.4.110.0200.03716.21
5.4.100.0170.04016.41
5.4.90.0270.06316.49
5.4.80.0300.05316.38
5.4.70.0170.05316.41
5.4.60.0200.04016.17
5.4.50.0230.03716.33
5.4.40.0330.06716.43
5.4.30.0300.03316.31
5.4.20.0170.04016.45
5.4.10.0200.04016.46
5.4.00.0200.03315.63
5.3.290.0200.04714.50
5.3.280.0230.04314.53
5.3.270.0300.07314.46
5.3.260.0270.03714.65
5.3.250.0270.07014.64
5.3.240.0300.07314.53
5.3.230.0230.04314.54
5.3.220.0270.04014.51
5.3.210.0170.04014.41
5.3.200.0170.04314.65
5.3.190.0170.05314.54
5.3.180.0300.06314.43
5.3.170.0270.06314.50
5.3.160.0230.04014.64
5.3.150.0230.03714.39
5.3.140.0270.04014.60
5.3.130.0200.04714.48
5.3.120.0230.03714.49
5.3.110.0300.03014.39
5.3.100.0230.03314.13
5.3.90.0200.05313.87
5.3.80.0200.03313.96
5.3.70.0170.04013.89
5.3.60.0200.03713.80
5.3.50.0230.03013.73
5.3.40.0270.03313.89
5.3.30.0200.03313.73
5.3.20.0430.02313.77
5.3.10.0300.04013.63
5.3.00.0330.03713.54
5.2.170.0130.04011.08
5.2.160.0170.04011.05
5.2.150.0170.04711.09
5.2.140.0170.03310.98
5.2.130.0070.04010.98
5.2.120.0200.06710.95
5.2.110.0230.03011.11
5.2.100.0200.02710.95
5.2.90.0300.05311.11
5.2.80.0330.04710.95
5.2.70.0230.03310.98
5.2.60.0270.05311.06
5.2.50.0230.04010.86
5.2.40.0200.05711.01
5.2.30.0170.02711.12
5.2.20.0170.03010.82
5.2.10.0170.03010.76
5.2.00.0130.03010.60
5.1.60.0130.02310.11
5.1.50.0170.0509.86
5.1.40.0130.0309.91
5.1.30.0170.02710.24
5.1.20.0200.05310.30
5.1.10.0170.03010.00
5.1.00.0270.02010.15
5.0.50.0070.0238.63
5.0.40.0100.0278.28
5.0.30.0100.0538.11
5.0.20.0100.0408.11
5.0.10.0070.0238.07
5.0.00.0130.0308.23
4.4.90.0170.0137.70
4.4.80.0130.0237.70
4.4.70.0100.0177.70
4.4.60.0070.0307.70
4.4.50.0170.0137.70
4.4.40.0030.0307.70
4.4.30.0100.0307.70
4.4.20.0070.0337.70
4.4.10.0100.0377.70
4.4.00.0130.0377.70
4.3.110.0130.0277.70
4.3.100.0100.0177.70
4.3.90.0100.0337.70
4.3.80.0100.0437.70
4.3.70.0100.0137.70
4.3.60.0100.0137.70
4.3.50.0100.0177.70
4.3.40.0070.0237.70
4.3.30.0030.0177.70
4.3.20.0100.0137.70
4.3.10.0070.0207.70
4.3.00.0030.0237.70

preferences:
50.08 ms | 400 KiB | 5 Q