3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = 'dolphin-'; preg_match( $val, '[#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)
8.3.40.0160.00318.97
8.3.30.0100.00719.09
8.3.20.0040.00420.22
8.3.10.0000.00723.52
8.3.00.0040.00420.84
8.2.170.0140.00022.96
8.2.160.0070.00720.52
8.2.150.0000.00924.18
8.2.140.0000.00824.66
8.2.130.0070.01026.16
8.2.120.0050.00322.25
8.2.110.0000.00922.26
8.2.100.0000.01117.91
8.2.90.0090.00019.36
8.2.80.0000.00817.97
8.2.70.0080.00017.75
8.2.60.0030.00518.03
8.2.50.0040.00418.07
8.2.40.0060.00318.09
8.2.30.0000.00718.13
8.2.20.0070.00017.71
8.2.10.0040.00417.50
8.2.00.0040.00417.56
8.1.270.0000.00823.84
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00523.91
8.1.230.0120.00019.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00217.40
8.1.180.0030.00618.10
8.1.170.0060.00618.26
8.1.160.0000.00721.94
8.1.150.0000.00818.58
8.1.140.0040.00417.43
8.1.130.0000.00717.82
8.1.120.0040.00417.41
8.1.110.0040.00417.38
8.1.100.0070.00017.44
8.1.90.0030.00317.30
8.1.80.0030.00317.32
8.1.70.0000.00717.22
8.1.60.0000.00817.42
8.1.50.0080.00017.40
8.1.40.0040.00417.45
8.1.30.0060.00317.50
8.1.20.0050.00317.49
8.1.10.0030.00617.61
8.1.00.0000.00917.46
8.0.300.0040.00418.77
8.0.290.0000.00717.28
8.0.280.0000.00718.36
8.0.270.0040.00417.32
8.0.260.0030.00316.93
8.0.250.0030.00317.00
8.0.240.0030.00716.96
8.0.230.0040.00416.98
8.0.220.0000.00716.95
8.0.210.0000.00616.88
8.0.200.0060.00016.82
8.0.190.0090.00016.82
8.0.180.0080.00016.82
8.0.170.0030.00516.91
8.0.160.0000.00716.89
8.0.150.0040.00416.81
8.0.140.0050.00316.79
8.0.130.0070.00013.26
8.0.120.0040.00416.89
8.0.110.0000.00716.73
8.0.100.0070.00016.93
8.0.90.0040.00416.94
8.0.80.0030.01416.86
8.0.70.0040.00416.77
8.0.60.0000.00816.95
8.0.50.0040.00416.93
8.0.30.0090.00917.21
8.0.20.0150.00317.40
8.0.10.0040.00417.06
8.0.00.0050.01416.79
7.4.330.0030.00315.00
7.4.320.0000.00616.45
7.4.300.0060.00016.41
7.4.290.0040.00416.46
7.4.280.0020.00516.49
7.4.270.0000.00616.35
7.4.260.0000.00716.44
7.4.250.0030.00316.40
7.4.240.0020.00516.44
7.4.230.0000.00716.36
7.4.220.0130.00316.57
7.4.210.0070.00916.57
7.4.200.0040.00416.44
7.4.190.0040.00416.59
7.4.160.0180.00316.52
7.4.150.0070.01917.40
7.4.140.0110.00717.86
7.4.130.0070.01216.42
7.4.120.0090.00716.54
7.4.110.0140.00716.55
7.4.100.0030.01816.57
7.4.90.0060.01016.32
7.4.80.0060.01319.39
7.4.70.0120.00616.44
7.4.60.0100.00716.29
7.4.50.0030.00516.23
7.4.40.0110.00322.77
7.4.30.0080.00816.51
7.4.00.0040.01115.05
7.3.330.0030.00313.20
7.3.320.0060.00013.15
7.3.310.0070.00016.27
7.3.300.0060.00016.29
7.3.290.0070.00716.29
7.3.280.0070.01216.31
7.3.270.0090.01517.40
7.3.260.0090.00616.32
7.3.250.0070.01116.39
7.3.240.0170.00316.29
7.3.230.0030.01316.50
7.3.210.0080.00816.27
7.3.200.0060.01419.39
7.3.190.0100.00616.36
7.3.180.0110.00716.65
7.3.170.0140.00716.33
7.3.160.0060.01016.33
7.3.120.0030.00915.06
7.3.10.0030.01016.61
7.3.00.0120.00316.25
7.2.330.0070.01116.73
7.2.320.0070.01016.38
7.2.310.0080.00816.63
7.2.300.0100.01216.48
7.2.290.0100.01316.51
7.2.130.0070.00716.83
7.2.120.0070.00716.78
7.2.110.0000.01016.81
7.2.100.0040.00417.01
7.2.90.0060.00916.89
7.2.80.0030.00916.98
7.2.70.0030.00716.88
7.2.60.0030.01216.86
7.2.50.0000.01016.96
7.2.40.0080.00416.85
7.2.30.0070.00716.82
7.2.20.0100.00316.78
7.2.10.0000.01816.66
7.2.00.0050.01018.14
7.1.250.0060.00315.76
7.1.100.0040.00718.10
7.1.70.0060.00316.97
7.1.60.0130.01019.29
7.1.50.0120.01216.88
7.1.00.0000.08022.48
7.0.200.0000.00716.82
7.0.140.0130.06322.00
7.0.60.0000.06719.80
7.0.50.0070.07317.88
7.0.40.0130.07320.30
7.0.30.0330.07320.17
7.0.20.0400.07320.33
7.0.10.0300.07720.20
7.0.00.0130.08720.07
5.6.280.0000.07720.80
5.6.210.0070.06720.54
5.6.200.0100.03718.09
5.6.190.0030.04320.61
5.6.180.0130.04020.44
5.6.170.0230.09020.37
5.6.160.0000.04320.54
5.6.150.0070.07318.22
5.6.140.0100.03318.18
5.6.130.0030.07318.21
5.6.120.0070.07721.11
5.6.110.0000.05021.02
5.6.100.0070.06020.85
5.6.90.0070.04021.12
5.6.80.0070.03720.45
5.6.70.0370.07020.39
5.5.350.0130.07020.39
5.5.340.0100.08017.98
5.5.330.0070.07020.07
5.5.320.0030.08320.29
5.5.310.0330.07320.34
5.5.300.0100.08017.89
5.5.290.0030.04017.98
5.5.280.0000.07720.86
5.5.270.0130.04020.76
5.5.260.0200.07020.76
5.5.250.0070.05320.46
5.5.240.0070.08720.11
5.4.450.0530.03319.43
5.4.440.0930.04719.33
5.4.430.0630.05719.37
5.4.420.0830.04719.66
5.4.410.0100.05319.32
5.4.400.0770.04319.19
5.4.390.0870.04718.82
5.4.380.0100.06718.49
5.4.370.0630.07718.68
5.4.360.0500.05018.56
5.4.350.0300.04318.72
5.4.340.0200.05318.59
5.4.320.0050.04012.45
5.4.310.0060.04012.45
5.4.300.0050.04712.45
5.4.290.0080.04612.45
5.4.280.0040.04212.35
5.4.270.0050.03712.34
5.4.260.0100.03812.35
5.4.250.0070.03612.34
5.4.240.0070.03512.34
5.4.230.0090.03312.33
5.4.220.0060.03712.33
5.4.210.0060.03612.33
5.4.200.0070.03712.33
5.4.190.0040.03612.32
5.4.180.0040.03612.33
5.4.170.0050.03512.34
5.4.160.0080.03412.33
5.4.150.0070.03812.33
5.4.140.0070.03412.01
5.4.130.0060.03512.00
5.4.120.0080.03311.96
5.4.110.0050.03611.95
5.4.100.0050.03611.95
5.4.90.0070.03511.95
5.4.80.0030.03911.95
5.4.70.0040.03611.95
5.4.60.0020.03911.95
5.4.50.0090.04511.95
5.4.40.0050.03411.93
5.4.30.0020.04011.94
5.4.20.0080.03311.93
5.4.10.0070.03511.94
5.4.00.0040.04511.42
5.3.290.0060.04812.80
5.3.280.0060.03712.71
5.3.270.0050.04012.72
5.3.260.0030.04112.71
5.3.250.0070.03512.72
5.3.240.0070.03512.72
5.3.230.0070.03812.71
5.3.220.0060.04712.68
5.3.210.0100.05012.68
5.3.200.0080.03812.68
5.3.190.0110.04412.68
5.3.180.0100.04812.67
5.3.170.0090.04812.67
5.3.160.0060.04212.67
5.3.150.0060.03712.67
5.3.140.0030.03912.66
5.3.130.0060.03812.66
5.3.120.0090.03512.66
5.3.110.0070.03712.66
5.3.100.0040.03812.12
5.3.90.0040.03812.09
5.3.80.0050.03812.07
5.3.70.0070.03412.08
5.3.60.0080.03412.06
5.3.50.0050.03712.00
5.3.40.0080.03512.00
5.3.30.0020.03911.95
5.3.20.0060.03511.72
5.3.10.0050.03511.69
5.3.00.0050.03611.67
5.2.170.0060.0299.18
5.2.160.0090.0359.18
5.2.150.0060.0299.18
5.2.140.0050.0399.18
5.2.130.0080.0339.14
5.2.120.0070.0269.14
5.2.110.0070.0279.15
5.2.100.0060.0279.14
5.2.90.0060.0289.14
5.2.80.0070.0319.13
5.2.70.0040.0369.13
5.2.60.0040.0339.09
5.2.50.0040.0359.05
5.2.40.0040.0299.04
5.2.30.0060.0319.01
5.2.20.0060.0309.00
5.2.10.0060.0278.92
5.2.00.0020.0368.78
5.1.60.0040.0248.06
5.1.50.0040.0268.06
5.1.40.0050.0258.05
5.1.30.0040.0278.39
5.1.20.0050.0348.42
5.1.10.0030.0278.14
5.1.00.0060.0258.14
5.0.50.0070.0206.62
5.0.40.0060.0186.48
5.0.30.0040.0336.30
5.0.20.0060.0276.27
5.0.10.0030.0296.24
5.0.00.0060.0406.23
4.4.90.0050.0224.78
4.4.80.0030.0224.76
4.4.70.0050.0204.76
4.4.60.0050.0194.75
4.4.50.0050.0204.77
4.4.40.0040.0324.71
4.4.30.0080.0164.76
4.4.20.0030.0224.85
4.4.10.0030.0194.84
4.4.00.0030.0264.76
4.3.110.0030.0214.67
4.3.100.0030.0154.67
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0020.0164.63
4.3.50.0040.0154.62
4.3.40.0030.0274.54
4.3.30.0010.0213.28
4.3.20.0040.0183.26
4.3.10.0020.0153.23
4.3.00.0200.02014.49

preferences:
41.38 ms | 400 KiB | 5 Q