3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '3.14'; $i = 1; $numberRegex = '/-?(?:0|[1-9][0-9]*+)(?:\.[0-9]*+)?(?:[Ee][+-]?[0-9]+)?/A'; if ( preg_match( $numberRegex, $s, $matches, 0, --$i ) ) { $i += strlen( $matches[0] ); var_dump( array( 's', $matches[0] - 0 ) ); }

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)
8.3.60.0140.00718.43
8.3.50.0090.01222.09
8.3.40.0090.00619.13
8.3.30.0090.00919.20
8.3.20.0160.00320.21
8.3.10.0110.00322.13
8.3.00.0060.00322.43
8.2.180.0070.00717.00
8.2.170.0030.01722.96
8.2.160.0120.00620.84
8.2.150.0090.00024.18
8.2.140.0040.01224.66
8.2.130.0120.00626.16
8.2.120.0080.00019.73
8.2.110.0060.00322.38
8.2.100.0090.00319.71
8.2.90.0040.00419.20
8.2.80.0080.00019.87
8.2.70.0070.00317.87
8.2.60.0050.00318.05
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0040.00418.26
8.2.20.0040.00418.06
8.2.10.0050.00318.06
8.2.00.0050.00317.90
8.1.280.0110.00425.92
8.1.270.0090.00923.67
8.1.260.0130.00726.35
8.1.250.0070.00028.09
8.1.240.0090.00023.59
8.1.230.0110.00019.02
8.1.220.0080.00017.80
8.1.210.0040.00418.77
8.1.200.0030.00717.48
8.1.190.0030.00517.53
8.1.180.0030.00618.10
8.1.170.0100.00018.66
8.1.160.0050.00221.95
8.1.150.0030.00618.78
8.1.140.0040.00417.66
8.1.130.0050.00317.92
8.1.120.0000.00717.48
8.1.110.0030.00517.61
8.1.100.0070.00017.58
8.1.90.0000.00717.52
8.1.80.0000.00717.48
8.1.70.0030.00317.57
8.1.60.0040.00417.75
8.1.50.0030.00617.67
8.1.40.0030.00517.68
8.1.30.0000.00817.72
8.1.20.0080.00017.78
8.1.10.0040.00417.73
8.1.00.0080.00017.54
8.0.300.0030.00518.77
8.0.290.0000.00717.15
8.0.280.0070.00018.38
8.0.270.0030.00317.16
8.0.260.0000.00617.03
8.0.250.0000.00717.19
8.0.240.0040.00417.18
8.0.230.0040.00417.08
8.0.220.0070.00017.07
8.0.210.0070.00017.13
8.0.200.0000.00617.08
8.0.190.0070.00017.20
8.0.180.0030.00517.18
8.0.170.0040.00417.15
8.0.160.0040.00416.98
8.0.150.0000.00717.08
8.0.140.0040.00417.09
8.0.130.0000.00613.50
8.0.120.0030.00517.00
8.0.110.0000.00817.12
8.0.100.0040.00417.06
8.0.90.0000.00717.14
8.0.80.0030.01317.14
8.0.70.0040.00417.06
8.0.60.0040.00417.16
8.0.50.0000.00717.23
8.0.30.0100.01217.53
8.0.20.0080.01117.40
8.0.10.0050.00317.19
8.0.00.0060.01116.91
7.4.330.0050.00015.28
7.4.320.0000.00616.88
7.4.300.0070.00016.73
7.4.290.0040.00416.80
7.4.280.0050.00316.77
7.4.270.0000.00716.79
7.4.260.0040.00416.66
7.4.250.0000.00816.65
7.4.240.0030.00516.84
7.4.230.0000.00716.89
7.4.220.0130.00616.94
7.4.210.0090.00716.95
7.4.200.0070.00016.54
7.4.190.0040.00416.69
7.4.160.0060.01016.68
7.4.150.0090.00917.40
7.4.140.0080.01417.86
7.4.130.0130.00516.63
7.4.120.0130.00616.69
7.4.110.0090.00916.52
7.4.100.0120.00916.56
7.4.90.0060.01216.84
7.4.80.0080.00919.39
7.4.70.0040.01416.87
7.4.60.0080.00816.78
7.4.50.0050.00016.71
7.4.40.0030.01022.77
7.4.30.0040.01716.68
7.4.00.0100.00815.03
7.3.330.0030.00213.38
7.3.320.0000.00513.32
7.3.310.0070.00016.39
7.3.300.0000.00716.47
7.3.290.0060.00916.39
7.3.280.0060.00916.37
7.3.270.0090.00917.40
7.3.260.0160.00316.73
7.3.250.0080.01116.69
7.3.240.0110.01116.38
7.3.230.0110.00616.39
7.3.210.0170.00316.71
7.3.200.0100.00719.39
7.3.190.0050.01616.63
7.3.180.0060.01016.67
7.3.170.0060.00916.46
7.3.160.0060.00916.35
7.3.120.0120.00714.90
7.3.110.0060.00614.79
7.3.100.0120.00614.83
7.3.90.0070.01115.23
7.3.80.0030.01314.86
7.3.70.0030.00915.09
7.3.60.0060.00914.73
7.3.50.0060.00615.01
7.3.40.0070.00315.03
7.3.30.0030.01215.12
7.3.20.0070.00717.02
7.3.10.0030.00616.87
7.3.00.0100.00016.90
7.2.330.0040.01416.85
7.2.320.0060.01216.79
7.2.310.0110.00716.73
7.2.300.0060.01016.69
7.2.290.0130.00316.98
7.2.250.0100.01015.21
7.2.240.0040.01115.02
7.2.230.0130.00314.89
7.2.220.0030.00615.30
7.2.210.0000.01414.88
7.2.200.0040.01115.12
7.2.190.0070.00715.37
7.2.180.0100.00315.34
7.2.170.0030.00715.21
7.2.00.0060.00619.79
7.1.330.0000.01415.63
7.1.320.0090.00016.13
7.1.310.0110.00416.08
7.1.300.0070.00715.73
7.1.290.0000.01116.01
7.1.280.0090.00316.08
7.1.270.0040.01115.75
7.1.260.0080.00816.11
7.1.100.0240.00318.23
7.1.70.0000.01117.41
7.1.60.0100.01419.82
7.1.50.0070.01417.20
7.1.00.0100.06722.43
7.0.200.0030.00916.77
7.0.140.0070.07022.15
7.0.60.0030.08020.00
7.0.50.0030.08017.84
7.0.40.0130.08320.22
7.0.30.0270.05020.05
7.0.20.0270.07320.14
7.0.10.0330.06720.33
7.0.00.0000.04320.03
5.6.280.0000.07320.78
5.6.210.0070.03720.49
5.6.200.0030.08018.16
5.6.190.0070.08320.67
5.6.180.0000.09020.61
5.6.170.0530.07020.41
5.6.160.0100.04320.41
5.6.150.0070.07318.08
5.6.140.0000.04018.21
5.6.130.0200.06718.15
5.6.120.0130.07320.98
5.6.110.0170.07320.98
5.6.100.0000.09021.08
5.6.90.0170.07321.10
5.6.80.0000.04020.40
5.6.70.0370.06720.47
5.5.350.0000.08020.42
5.5.340.0070.07017.97
5.5.330.0030.09020.20
5.5.320.0370.07320.21
5.5.310.0230.04320.20
5.5.300.0070.08317.89
5.5.290.0070.03717.94
5.5.280.0130.07720.84
5.5.270.0100.07720.86
5.5.260.0130.07320.83
5.5.250.0070.08020.70
5.5.240.0170.06320.26
5.4.450.0230.05719.49
5.4.440.0830.03719.42
5.4.430.0630.05019.42
5.4.420.1130.03019.24
5.4.410.0100.05318.84
5.4.400.0130.05018.51
5.4.390.0100.05018.50
5.4.380.0170.05318.73
5.4.370.0270.05018.73
5.4.360.0330.04318.59
5.4.350.0270.06318.59
5.4.340.0270.05318.78
5.4.320.0040.04012.45
5.4.310.0040.04012.45
5.4.300.0080.03912.46
5.4.290.0070.04212.45
5.4.280.0070.03512.35
5.4.270.0010.04012.35
5.4.260.0050.03812.35
5.4.250.0070.04112.35
5.4.240.0060.04212.35
5.4.230.0050.04012.34
5.4.220.0040.04812.34
5.4.210.0100.04012.34
5.4.200.0070.04112.34
5.4.190.0060.03612.34
5.4.180.0030.04512.34
5.4.170.0180.05212.34
5.4.160.0470.07612.34
5.4.150.0210.04012.33
5.4.140.0170.04412.02
5.4.130.0140.04512.00
5.4.120.0170.04111.96
5.4.110.0160.04211.95
5.4.100.0160.04611.96
5.4.90.0320.08811.95
5.4.80.0120.04611.95
5.4.70.0120.04511.95
5.4.60.0160.04311.95
5.4.50.0130.04411.95
5.4.40.0140.04311.94
5.4.30.0100.04811.94
5.4.20.0190.03911.94
5.4.10.0170.04011.93
5.4.00.0120.04411.43
5.3.290.0100.04012.80
5.3.280.0100.03712.71
5.3.270.0240.06712.72
5.3.260.0170.04312.72
5.3.250.0180.04312.71
5.3.240.0160.04412.72
5.3.230.0150.04612.71
5.3.220.0190.04112.68
5.3.210.0150.04612.68
5.3.200.0190.04112.68
5.3.190.0220.07112.67
5.3.180.0220.04212.68
5.3.170.0210.04112.67
5.3.160.0200.05612.67
5.3.150.0160.04312.67
5.3.140.0100.05012.66
5.3.130.0180.04312.66
5.3.120.0120.04912.66
5.3.110.0230.03712.66
5.3.100.0240.06712.12
5.3.90.0180.04212.08
5.3.80.0130.04712.07
5.3.70.0180.04112.07
5.3.60.0130.04712.07
5.3.50.0180.07112.00
5.3.40.0200.04212.00
5.3.30.0240.06311.96
5.3.20.0150.04311.74
5.3.10.0160.04311.70
5.3.00.0190.04111.68
5.2.170.0140.0359.20
5.2.160.0150.0339.19
5.2.150.0120.0389.19
5.2.140.0130.0359.19
5.2.130.0120.0369.15
5.2.120.0140.0339.14
5.2.110.0110.0399.15
5.2.100.0170.0309.15
5.2.90.0130.0369.15
5.2.80.0160.0659.14
5.2.70.0160.0359.14
5.2.60.0130.0359.09
5.2.50.0140.0339.06
5.2.40.0130.0369.05
5.2.30.0140.0349.02
5.2.20.0100.0389.02
5.2.10.0260.0538.93
5.2.00.0110.0388.79
5.1.60.0120.0288.08
5.1.50.0120.0298.08
5.1.40.0080.0328.06
5.1.30.0150.0278.40
5.1.20.0120.0318.44
5.1.10.0130.0328.16
5.1.00.0150.0288.16
5.0.50.0210.0456.63
5.0.40.0120.0216.49
5.0.30.0080.0366.30
5.0.20.0090.0236.30
5.0.10.0080.0236.28
5.0.00.0070.0376.26
4.4.90.0310.0554.78
4.4.80.0060.0194.75
4.4.70.0080.0194.75
4.4.60.0070.0194.75
4.4.50.0130.0134.77
4.4.40.0080.0284.71
4.4.30.0090.0174.75
4.4.20.0100.0154.84
4.4.10.0070.0194.85
4.4.00.0100.0274.76
4.3.110.0060.0224.67
4.3.100.0070.0174.67
4.3.90.0070.0194.63
4.3.80.0050.0304.58
4.3.70.0290.0574.63
4.3.60.0030.0224.63
4.3.50.0060.0194.63
4.3.40.0090.0264.54
4.3.30.0070.0173.34
4.3.20.0040.0193.29
4.3.10.0030.0193.25
4.3.00.0000.01715.13

preferences:
45.81 ms | 401 KiB | 5 Q