3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match_all("/(?J)(?P<name>[a-z]+)(?|(?P<op>!)|(?P<op>=)(?P<type>[si]))?/", "a! b=s c 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)
8.3.40.0040.01119.00
8.3.30.0070.00719.09
8.3.20.0040.00420.35
8.3.10.0070.00023.53
8.3.00.0040.00419.15
8.2.170.0100.01022.96
8.2.160.0070.00720.38
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0030.00520.98
8.2.110.0100.00019.23
8.2.100.0040.00818.12
8.2.90.0060.00318.22
8.2.80.0060.00317.97
8.2.70.0040.00417.88
8.2.60.0050.00518.05
8.2.50.0050.00318.10
8.2.40.0000.00821.20
8.2.30.0000.00818.29
8.2.20.0040.00418.02
8.2.10.0000.00718.21
8.2.00.0040.00418.00
8.1.270.0030.00623.84
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00319.46
8.1.230.0070.00422.78
8.1.220.0060.00317.91
8.1.210.0000.00818.85
8.1.200.0040.00417.63
8.1.190.0040.00417.47
8.1.180.0000.00818.10
8.1.170.0060.00318.76
8.1.160.0000.00722.15
8.1.150.0070.00018.86
8.1.140.0070.00017.66
8.1.130.0030.00317.85
8.1.120.0080.00017.53
8.1.110.0050.00317.51
8.1.100.0040.00417.50
8.1.90.0070.00017.61
8.1.80.0050.00217.61
8.1.70.0000.00817.53
8.1.60.0030.00617.73
8.1.50.0020.00517.60
8.1.40.0050.00317.68
8.1.30.0060.00317.69
8.1.20.0080.00017.73
8.1.10.0060.00317.69
8.1.00.0040.00417.61
8.0.300.0070.00020.13
8.0.290.0000.00916.75
8.0.280.0040.00418.46
8.0.270.0030.00317.34
8.0.260.0000.00617.29
8.0.250.0030.00317.02
8.0.240.0000.00816.97
8.0.230.0040.00416.95
8.0.220.0030.00317.04
8.0.210.0000.00817.13
8.0.200.0030.00316.98
8.0.190.0000.00816.97
8.0.180.0000.00717.11
8.0.170.0000.00716.98
8.0.160.0000.00716.93
8.0.150.0030.00317.05
8.0.140.0040.00316.98
8.0.130.0000.00513.43
8.0.120.0040.00417.15
8.0.110.0000.00917.00
8.0.100.0040.00416.98
8.0.90.0040.00417.09
8.0.80.0030.01217.17
8.0.70.0000.00817.00
8.0.60.0070.00016.89
8.0.50.0050.00316.98
8.0.30.0120.00717.25
8.0.20.0070.01917.44
8.0.10.0070.00017.31
8.0.00.0090.01016.89
7.4.330.0050.00015.16
7.4.320.0000.00716.91
7.4.300.0000.00816.77
7.4.290.0070.00016.85
7.4.280.0080.00016.71
7.4.270.0040.00416.86
7.4.260.0040.00416.66
7.4.250.0040.00416.74
7.4.240.0000.00716.84
7.4.230.0000.00716.86
7.4.220.0090.00916.77
7.4.210.0080.00916.81
7.4.200.0000.00716.98
7.4.190.0030.00316.67
7.4.160.0030.01316.65
7.4.150.0150.00317.40
7.4.140.0100.01217.86
7.4.130.0060.01016.80
7.4.120.0070.01016.74
7.4.110.0100.01417.01
7.4.100.0080.01316.76
7.4.90.0150.00616.77
7.4.80.0030.01319.39
7.4.70.0070.01416.88
7.4.60.0070.01016.59
7.4.50.0030.00616.52
7.4.40.0030.01316.75
7.4.30.0140.00316.66
7.4.00.0030.01314.98
7.3.330.0050.00013.40
7.3.320.0050.00313.33
7.3.310.0000.00816.52
7.3.300.0030.00316.45
7.3.290.0030.01416.36
7.3.280.0060.01116.46
7.3.270.0040.01417.40
7.3.260.0100.00716.52
7.3.250.0060.01116.59
7.3.240.0100.00716.56
7.3.230.0060.01016.43
7.3.210.0100.01016.32
7.3.200.0100.00719.39
7.3.190.0120.00616.81
7.3.180.0090.00616.34
7.3.170.0030.01316.43
7.3.160.0090.00616.40
7.3.120.0100.00714.91
7.3.00.0120.00316.86
7.2.330.0070.01116.91
7.2.320.0070.01116.59
7.2.310.0070.01316.88
7.2.300.0090.01016.68
7.2.290.0140.00316.64
7.2.130.0130.00616.99
7.2.120.0040.01116.75
7.2.110.0040.01117.06
7.2.100.0040.01216.91
7.2.90.0060.00617.00
7.2.80.0100.01017.11
7.2.70.0060.00616.98
7.2.60.0030.01017.13
7.2.50.0100.00717.14
7.2.40.0070.01116.79
7.2.30.0060.00616.85
7.2.20.0060.00317.09
7.2.10.0070.00417.04
7.2.00.0060.00918.16
7.1.250.0070.01016.04
7.1.240.0070.00315.70
7.1.230.0160.00315.79
7.1.220.0030.00915.79
7.1.210.0070.01115.73
7.1.200.0040.00915.76
7.1.190.0050.00515.88
7.1.180.0030.01015.97
7.1.170.0030.01016.05
7.1.160.0070.00715.57
7.1.150.0040.00715.97
7.1.140.0060.00616.07
7.1.130.0030.01416.04
7.1.120.0070.00716.03
7.1.110.0030.00616.04
7.1.100.0030.00616.80
7.1.90.0060.01016.01
7.1.80.0030.01015.63
7.1.70.0070.00516.63
7.1.60.0030.01317.69
7.1.50.0050.00816.51
7.1.40.0040.00815.89
7.1.30.0110.00416.03
7.1.20.0030.00615.99
7.1.10.0070.01115.78
7.1.00.0030.04419.21
7.0.330.0030.00615.45
7.0.320.0110.00415.34
7.0.310.0040.00915.67
7.0.300.0060.00315.48
7.0.290.0060.00915.51
7.0.280.0000.01215.34
7.0.270.0060.00915.50
7.0.260.0140.00315.51
7.0.250.0040.00415.56
7.0.240.0100.00315.44
7.0.230.0080.00315.46
7.0.220.0000.00915.42
7.0.210.0120.00015.66
7.0.200.0070.00315.91
7.0.190.0030.00915.58
7.0.180.0070.00715.79
7.0.170.0030.01115.29
7.0.160.0110.00315.76
7.0.150.0030.00715.23
7.0.140.0050.04019.01
7.0.130.0060.00315.65
7.0.120.0030.00715.44
7.0.110.0100.00315.35
7.0.100.0130.00315.50
7.0.90.0040.00815.16
7.0.80.0000.00715.36
7.0.70.0070.00315.51
7.0.60.0030.03917.72
7.0.50.0030.04816.76
7.0.40.0100.03516.59
7.0.30.0150.03316.65
7.0.20.0180.04416.70
7.0.10.0060.04716.97
7.0.00.0130.04016.81
5.6.380.0030.00914.54
5.6.370.0110.00614.22
5.6.360.0000.01114.23
5.6.350.0040.00814.45
5.6.340.0090.00914.24
5.6.330.0070.00714.57
5.6.320.0060.00614.61
5.6.310.0030.00614.43
5.6.300.0030.00713.92
5.6.290.0070.00314.28
5.6.280.0030.01314.03
5.6.270.0040.00814.61
5.6.260.0070.00314.46
5.6.250.0040.00714.38
5.6.240.0040.00714.30
5.6.230.0070.00414.39
5.6.220.0060.00614.21
5.6.210.0070.02217.41
5.6.200.0030.02816.14
5.6.190.0050.02617.47
5.6.180.0100.03717.25
5.6.170.0150.03517.27
5.6.160.0060.04417.40
5.6.150.0030.04916.12
5.6.140.0120.04016.11
5.6.130.0050.03316.21
5.6.120.0080.03317.65
5.6.110.0110.04417.85
5.6.100.0140.04317.53
5.6.90.0040.03517.67
5.6.80.0100.04317.32
5.6.70.0110.01114.16
5.6.60.0170.00314.17
5.6.50.0120.00214.01
5.6.40.0000.01414.02
5.6.30.0080.00314.14
5.6.20.0090.00014.09
5.6.10.0030.00614.51
5.6.00.0030.00713.98
5.5.380.0060.00611.08
5.5.370.0000.01211.03
5.5.360.0070.00011.02
5.5.350.0060.01815.59
5.5.340.0070.04414.47
5.5.330.0030.02615.55
5.5.320.0150.03015.72
5.5.310.0200.03315.82
5.5.300.0110.03614.41
5.5.290.0050.04514.36
5.5.280.0050.02315.89
5.5.270.0030.02915.94
5.5.260.0070.04015.88
5.5.250.0070.03815.80
5.5.240.0040.04115.48
5.5.230.0080.00310.88
5.5.220.0060.00610.75
5.5.210.0050.00510.93
5.5.200.0050.00510.96
5.5.190.0060.00610.75
5.5.180.0030.00710.88
5.5.170.0120.00010.75
5.5.160.0040.00410.79
5.5.150.0030.00510.95
5.5.140.0000.00910.67
5.5.130.0000.01110.89
5.5.120.0060.00611.16
5.5.110.0060.00611.14
5.5.100.0000.01110.71
5.5.90.0030.00710.63
5.5.80.0060.00310.63
5.5.70.0050.00510.91
5.5.60.0080.00310.79
5.5.50.0040.00410.84
5.5.40.0080.00010.99
5.5.30.0050.00510.81
5.5.20.0040.00810.72
5.5.10.0060.00610.87
5.5.00.0080.00310.89
5.4.450.0450.04015.32
5.4.440.0450.02815.17
5.4.430.0450.03015.25
5.4.420.0330.03015.16
5.4.410.0450.02615.03
5.4.400.0270.02714.80
5.4.390.0470.03015.07
5.4.380.0050.03414.74
5.4.370.0070.03214.79
5.4.360.0130.02514.65
5.4.350.0090.04014.78
5.4.340.0070.03214.71
5.4.330.0000.01110.80
5.4.320.0020.02411.63
5.4.310.0040.02311.71
5.4.300.0070.02611.69
5.4.290.0070.03011.60
5.4.280.0070.02111.54
5.4.270.0040.02411.56
5.4.260.0080.01711.50
5.4.250.0080.02111.68
5.4.240.0080.02811.60
5.4.230.0050.02511.55
5.4.220.0020.02811.60
5.4.210.0070.02311.46
5.4.200.0080.02111.50
5.4.190.0060.02411.64
5.4.180.0050.02111.51
5.4.170.0080.01811.57
5.4.160.0040.02211.59
5.4.150.0050.02111.60
5.4.140.0040.02311.55
5.4.130.0030.02411.63
5.4.120.0050.02311.51
5.4.110.0060.02211.46
5.4.100.0040.02311.38
5.4.90.0060.02611.44
5.4.80.0040.02611.52
5.4.70.0060.02211.42
5.4.60.0060.01811.40
5.4.50.0060.02011.49
5.4.40.0040.02211.38
5.4.30.0040.02411.29
5.4.20.0060.02611.28
5.4.10.0040.02411.40
5.4.00.0050.02111.17
5.3.290.0040.03311.65
5.3.280.0040.02311.57
5.3.270.0040.02511.64
5.3.260.0040.02511.62
5.3.250.0050.02211.62
5.3.240.0050.02111.57
5.3.230.0070.02111.63
5.3.220.0030.02311.57
5.3.210.0040.02411.56
5.3.200.0020.02511.59
5.3.190.0050.02711.63
5.3.180.0040.02211.65
5.3.170.0050.02111.57
5.3.160.0090.01811.66
5.3.150.0100.02211.63
5.3.140.0060.02011.64
5.3.130.0070.02211.66
5.3.120.0060.02311.64
5.3.110.0080.02611.64
5.3.100.0090.02011.33
5.3.90.0080.02411.28
5.3.80.0030.02211.22
5.3.70.0060.02111.23
5.3.60.0060.02911.21
5.3.50.0050.02911.19
5.3.40.0080.02711.25
5.3.30.0080.02711.12
5.3.20.0090.02611.03
5.3.10.0080.03010.92
5.3.00.0060.02711.04
5.2.170.0060.0189.38
5.2.160.0070.0229.29
5.2.150.0050.0189.26
5.2.140.0080.0199.31
5.2.130.0070.0229.22
5.2.120.0050.0239.29
5.2.110.0050.0239.39
5.2.100.0040.0239.30
5.2.90.0060.0259.28
5.2.80.0050.0169.29
5.2.70.0070.0169.11
5.2.60.0040.0189.20
5.2.50.0050.0179.21
5.2.40.0040.0179.23
5.2.30.0050.0199.19
5.2.20.0060.0228.96
5.2.10.0060.0209.01
5.2.00.0060.0218.84
5.1.60.0040.0198.27
5.1.50.0060.0188.25
5.1.40.0040.0248.24
5.1.30.0040.0268.48
5.1.20.0050.0228.42
5.1.10.0020.0228.25
5.1.00.0040.0228.29
5.0.50.0030.0147.49
5.0.40.0010.0137.42
5.0.30.0020.0197.33
5.0.20.0020.0147.31
5.0.10.0020.0147.30
5.0.00.0050.0157.29
4.4.90.0020.0136.57
4.4.80.0030.0126.56
4.4.70.0040.0136.56
4.4.60.0030.0126.56
4.4.50.0060.0116.57
4.4.40.0010.0186.54
4.4.30.0030.0116.56
4.4.20.0050.0076.61
4.4.10.0040.0096.61
4.4.00.0020.0186.56
4.3.110.0050.0146.52
4.3.100.0030.0106.51
4.3.90.0010.0126.50
4.3.80.0020.0166.47
4.3.70.0020.0106.49
4.3.60.0050.0096.49
4.3.50.0050.0126.49
4.3.40.0010.0186.45
4.3.30.0030.0135.82
4.3.20.0020.0135.81
4.3.10.0020.0135.79
4.3.00.0070.0157.71

preferences:
30.73 ms | 400 KiB | 5 Q