3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match_all("/(?J)(?|(?P<A>a)!|(?P<A>a)=(?P<type>[si])) (?|(?P<B>b)!|(?P<B>b)=(?P<type>[si]))/", "a! b=s a=i b!", $m, PREG_SET_ORDER); foreach ($m as $s) { foreach ($s as $k => $v) { if (is_int($k)) { unset($s[$k]); } } print_r($s); }

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)
8.3.60.0140.00316.75
8.3.50.0110.00622.10
8.3.40.0150.00018.96
8.3.30.0100.00319.09
8.3.20.0080.00020.21
8.3.10.0030.00523.54
8.3.00.0040.00419.05
8.2.180.0110.00416.75
8.2.170.0170.00322.96
8.2.160.0040.01120.40
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00420.92
8.2.110.0060.00322.28
8.2.100.0120.00017.97
8.2.90.0030.00519.01
8.2.80.0060.00318.00
8.2.70.0050.00517.75
8.2.60.0050.00317.93
8.2.50.0000.00818.07
8.2.40.0060.00321.26
8.2.30.0070.00018.32
8.2.20.0070.00017.84
8.2.10.0000.00718.22
8.2.00.0040.00418.03
8.1.280.0030.01025.92
8.1.270.0040.00423.76
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.01023.83
8.1.230.0110.00019.22
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0080.00017.35
8.1.180.0050.00519.13
8.1.170.0030.00618.61
8.1.160.0040.00421.96
8.1.150.0040.00418.75
8.1.140.0040.00417.68
8.1.130.0070.00017.92
8.1.120.0000.00717.52
8.1.110.0000.00717.61
8.1.100.0040.00417.57
8.1.90.0030.00417.63
8.1.80.0000.00817.51
8.1.70.0040.00417.57
8.1.60.0000.01017.79
8.1.50.0040.00417.71
8.1.40.0030.00617.57
8.1.30.0050.00317.72
8.1.20.0040.00417.71
8.1.10.0070.00017.66
8.1.00.0000.00817.61
8.0.300.0060.00320.85
8.0.290.0000.00817.18
8.0.280.0000.00718.46
8.0.270.0070.00017.29
8.0.260.0030.00317.20
8.0.250.0030.00316.98
8.0.240.0040.00417.15
8.0.230.0000.00717.10
8.0.220.0030.00317.17
8.0.210.0040.00417.08
8.0.200.0060.00017.08
8.0.190.0000.00817.12
8.0.180.0000.00716.90
8.0.170.0040.00416.96
8.0.160.0040.00417.06
8.0.150.0040.00416.99
8.0.140.0040.00416.88
8.0.130.0000.00613.43
8.0.120.0040.00417.09
8.0.110.0050.00317.02
8.0.100.0070.00017.10
8.0.90.0050.00217.11
8.0.80.0080.00817.15
8.0.70.0000.00716.98
8.0.60.0050.00216.98
8.0.50.0000.00816.90
8.0.30.0170.00517.11
8.0.20.0100.01517.40
8.0.10.0000.00717.10
8.0.00.0080.01017.00
7.4.330.0060.00015.23
7.4.320.0070.00016.90
7.4.300.0030.00316.71
7.4.290.0030.00316.69
7.4.280.0000.00716.78
7.4.270.0040.00416.83
7.4.260.0030.00316.77
7.4.250.0040.00416.84
7.4.240.0030.00516.85
7.4.230.0000.00716.91
7.4.220.0140.00316.86
7.4.210.0070.01016.76
7.4.200.0030.00516.97
7.4.190.0040.00416.67
7.4.160.0030.01316.76
7.4.150.0170.00017.40
7.4.140.0090.00817.86
7.4.130.0080.00916.83
7.4.120.0110.00616.61
7.4.110.0080.00916.83
7.4.100.0150.00616.77
7.4.90.0100.01016.73
7.4.80.0060.01319.39
7.4.70.0150.00316.69
7.4.60.0160.00016.84
7.4.50.0030.00616.56
7.4.40.0040.01316.52
7.4.30.0120.00416.81
7.4.00.0070.00715.08
7.3.330.0050.00013.40
7.3.320.0030.00313.26
7.3.310.0030.00316.24
7.3.300.0070.00016.42
7.3.290.0100.01016.39
7.3.280.0090.01016.44
7.3.270.0130.00317.40
7.3.260.0150.03116.32
7.3.250.0110.00916.48
7.3.240.0030.01416.43
7.3.230.0150.00416.60
7.3.210.0090.01316.92
7.3.200.0060.01219.39
7.3.190.0070.01116.73
7.3.180.0080.00816.48
7.3.170.0110.00516.68
7.3.160.0130.00316.76
7.3.120.0060.00914.88
7.2.330.0090.00916.64
7.2.320.0100.00716.64
7.2.310.0080.00816.66
7.2.300.0130.00316.93
7.2.290.0030.01516.76
7.2.00.0040.00719.50
7.1.100.0030.01018.59
7.1.70.0030.00717.48
7.1.60.0060.01919.46
7.1.50.0090.01617.15
7.1.00.0030.07722.47
7.0.200.0040.00416.98
7.0.140.0070.07021.99
7.0.60.0130.07319.93
7.0.50.0070.04017.79
7.0.40.0100.08720.09
7.0.30.0370.07720.04
7.0.20.0100.04720.19
7.0.10.0130.06320.21
7.0.00.0070.05720.18
5.6.280.0030.07321.02
5.6.210.0070.06320.62
5.6.200.0070.03718.21
5.6.190.0070.08320.59
5.6.180.0200.04720.46
5.6.170.0200.05320.49
5.6.160.0030.09320.52
5.6.150.0100.06718.18
5.6.140.0130.06318.20
5.6.130.0070.05318.16
5.6.120.0030.08320.97
5.6.110.0030.04321.01
5.6.100.0030.08721.13
5.6.90.0030.04320.95
5.6.80.0070.03720.32
5.5.350.0030.08320.42
5.5.340.0070.08018.02
5.5.330.0030.05720.21
5.5.320.0300.07020.29
5.5.310.0430.07720.28
5.5.300.0070.08018.03
5.5.290.0100.07717.96
5.5.280.0030.09320.80
5.5.270.0030.04020.93
5.5.260.0070.07720.86
5.5.250.0170.06720.68
5.5.240.0030.08020.11
5.4.450.0670.05319.60
5.4.440.0500.05019.48
5.4.430.0870.06019.43
5.4.420.0170.05319.42
5.4.410.1030.05319.13
5.4.400.0670.05319.14
5.4.390.0730.05319.21
5.4.380.0070.06018.44
5.4.370.0070.06018.68
5.4.360.0170.04718.61
5.4.350.0170.05318.68
5.4.340.0030.06318.61
5.4.320.0070.03512.46
5.4.310.0080.04212.45
5.4.300.0070.04912.46
5.4.290.0080.03712.45
5.4.280.0100.03312.35
5.4.270.0060.04012.35
5.4.260.0060.04012.35
5.4.250.0070.04012.35
5.4.240.0080.04112.35
5.4.230.0060.04612.34
5.4.220.0070.03712.34
5.4.210.0060.03612.34
5.4.200.0080.04612.34
5.4.190.0050.05312.34
5.4.180.0070.05012.34
5.4.170.0070.05212.35
5.4.160.0060.05412.35
5.4.150.0070.04912.34
5.4.140.0120.05012.02
5.4.130.0110.04612.01
5.4.120.0070.05111.97
5.4.110.0100.04811.97
5.4.100.0080.04111.97
5.4.90.0110.04311.97
5.4.80.0080.04111.96
5.4.70.0070.03711.96
5.4.60.0080.03611.96
5.4.50.0040.04011.96
5.4.40.0090.03611.95
5.4.30.0070.05311.95
5.4.20.0080.05011.95
5.4.10.0090.03811.95
5.4.00.0070.03911.44
5.3.290.0050.04112.80
5.3.280.0100.03812.71
5.3.270.0040.04412.72
5.3.260.0070.04112.72
5.3.250.0070.03912.71
5.3.240.0100.04412.71
5.3.230.0090.04112.71
5.3.220.0060.04112.68
5.3.210.0060.04212.68
5.3.200.0050.04012.68
5.3.190.0090.03712.68
5.3.180.0060.04112.67
5.3.170.0030.03912.66
5.3.160.0090.03312.68
5.3.150.0080.03612.67
5.3.140.0050.03912.66
5.3.130.0100.05112.66
5.3.120.0080.04612.66
5.3.110.0080.03912.66
5.3.100.0080.03712.12
5.3.90.0060.03812.09
5.3.80.0040.04112.08
5.3.70.0060.05012.08
5.3.60.0070.04712.07
5.3.50.0090.04112.00
5.3.40.0200.06712.00
5.3.30.0110.05511.96
5.3.20.0090.04911.73
5.3.10.0090.05911.70
5.3.00.0110.06011.69
5.2.170.0070.0429.19
5.2.160.0080.0409.20
5.2.150.0070.0329.19
5.2.140.0060.0409.19
5.2.130.0060.0409.15
5.2.120.0070.0429.15
5.2.110.0090.0379.16
5.2.100.0050.0449.15
5.2.90.0030.0389.15
5.2.80.0080.0329.15
5.2.70.0060.0339.15
5.2.60.0060.0349.10
5.2.50.0020.0339.07
5.2.40.0030.0349.05
5.2.30.0040.0329.01
5.2.20.0040.0299.00
5.2.10.0030.0318.92
5.2.00.0050.0298.78
5.1.60.0050.0258.06
5.1.50.0070.0248.06
5.1.40.0040.0368.04
5.1.30.0020.0298.39
5.1.20.0040.0278.41
5.1.10.0040.0278.14
5.1.00.0050.0248.14
5.0.50.0020.0226.61
5.0.40.0020.0206.47
5.0.30.0050.0296.29
5.0.20.0060.0176.26
5.0.10.0040.0296.23
5.0.00.0060.0386.23
4.4.90.0040.0224.78
4.4.80.0050.0214.75
4.4.70.0030.0164.75
4.4.60.0040.0204.76
4.4.50.0050.0214.77
4.4.40.0030.0274.71
4.4.30.0070.0174.76
4.4.20.0070.0144.84
4.4.10.0030.0184.84
4.4.00.0050.0294.76
4.3.110.0030.0234.67
4.3.100.0030.0194.67
4.3.90.0040.0164.64
4.3.80.0040.0274.58
4.3.70.0020.0214.63
4.3.60.0020.0174.63
4.3.50.0060.0144.63
4.3.40.0030.0274.54
4.3.30.0040.0143.28
4.3.20.0020.0173.26
4.3.10.0020.0163.21
4.3.00.0130.0207.06

preferences:
35.63 ms | 401 KiB | 5 Q