3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = <<<EOF aaaBbb = CccBbb aaaDddd = CccDddd aaaEeee = CccFfff EOF; preg_match_all('/^ +\w+([A-Z][a-z]+) += +(?!\w+\1).*$/m', $str, $matches, PREG_SET_ORDER, 0); var_dump($matches);

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)
8.4.140.0100.01217.67
8.4.130.0070.00318.00
8.4.120.0120.00823.99
8.4.110.0160.00820.40
8.4.100.0110.01024.29
8.4.90.0100.00718.41
8.4.80.0100.00817.99
8.4.70.0060.00318.30
8.4.60.0120.00618.89
8.4.50.0040.00619.80
8.4.40.0100.01019.75
8.4.30.0130.00719.29
8.4.20.0130.00620.37
8.4.10.0120.00317.69
8.3.270.0080.01316.68
8.3.260.0150.00516.55
8.3.250.0100.00918.89
8.3.240.0100.00917.32
8.3.230.0130.00616.50
8.3.220.0160.00517.01
8.3.210.0100.00316.68
8.3.200.0070.00216.53
8.3.190.0090.01017.19
8.3.180.0050.00316.72
8.3.170.0100.01020.63
8.3.160.0040.00417.01
8.3.150.0150.00417.08
8.3.140.0050.00316.45
8.3.130.0100.00016.48
8.3.120.0030.00618.82
8.3.110.0050.00316.70
8.3.100.0120.00618.55
8.3.90.0000.00716.70
8.3.80.0070.00318.43
8.3.70.0060.01316.50
8.3.60.0090.00618.31
8.3.50.0160.01217.98
8.3.40.0130.00718.85
8.3.30.0120.00318.80
8.3.20.0040.00419.02
8.3.10.0090.00023.48
8.3.00.0080.00020.97
8.2.290.0120.00720.15
8.2.280.0050.00620.49
8.2.270.0080.00018.82
8.2.260.0000.01116.84
8.2.250.0030.01216.81
8.2.240.0130.00318.48
8.2.230.0060.00320.94
8.2.220.0090.00024.06
8.2.210.0070.01126.77
8.2.200.0030.00618.34
8.2.190.0080.00818.29
8.2.180.0110.01118.42
8.2.170.0060.00922.96
8.2.160.0110.00722.01
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0000.00821.16
8.2.120.0080.00026.35
8.2.110.0000.00921.30
8.2.100.0040.00817.95
8.2.90.0040.00417.91
8.2.80.0040.00417.97
8.2.70.0060.00317.93
8.2.60.0050.00318.09
8.2.50.0030.00518.10
8.2.40.0060.00319.20
8.2.30.0040.00419.20
8.2.20.0000.00817.95
8.2.10.0070.00018.01
8.2.00.0040.00419.30
8.1.330.0120.00721.98
8.1.320.0140.00516.23
8.1.310.0140.00418.20
8.1.300.0030.00620.05
8.1.290.0040.00418.88
8.1.280.0060.01225.92
8.1.270.0070.00021.92
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00319.10
8.1.230.0080.00317.82
8.1.220.0050.00317.74
8.1.210.0030.00618.91
8.1.200.0060.00317.38
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0060.00318.54
8.1.160.0070.00018.91
8.1.150.0000.00818.91
8.1.140.0070.00022.20
8.1.130.0000.01120.10
8.1.120.0000.00717.55
8.1.110.0000.00717.59
8.1.100.0000.00717.58
8.1.90.0000.00717.52
8.1.80.0030.00517.57
8.1.70.0070.00017.38
8.1.60.0090.00017.67
8.1.50.0090.00017.57
8.1.40.0060.00317.63
8.1.30.0060.00317.79
8.1.20.0080.00317.61
8.1.10.0040.00417.54
8.1.00.0000.00717.64
8.0.300.0080.00019.77
8.0.290.0090.00016.63
8.0.280.0030.00318.40
8.0.270.0030.00317.18
8.0.260.0030.00318.39
8.0.250.0040.00417.02
8.0.240.0030.00317.07
8.0.230.0030.00317.11
8.0.220.0030.00317.04
8.0.210.0070.00016.93
8.0.200.0030.00317.16
8.0.190.0040.00417.11
8.0.180.0040.00416.97
8.0.170.0050.00317.05
8.0.160.0030.00516.94
8.0.150.0040.00416.86
8.0.140.0030.00317.00
8.0.130.0030.00313.40
8.0.120.0040.00417.01
8.0.110.0000.00816.98
8.0.100.0050.00217.01
8.0.90.0030.00317.10
8.0.80.0120.00816.97
8.0.70.0040.00416.86
8.0.60.0050.00217.04
8.0.50.0000.00716.99
8.0.30.0080.00817.22
8.0.20.0120.00717.40
8.0.10.0030.00517.21
8.0.00.0160.00516.94
7.4.330.0000.00615.55
7.4.320.0030.00316.65
7.4.300.0000.00616.55
7.4.290.0030.00316.66
7.4.280.0030.00616.75
7.4.270.0030.00316.79
7.4.260.0000.00816.73
7.4.250.0000.00716.72
7.4.240.0000.00716.61
7.4.230.0000.00716.70
7.4.220.0080.00016.76
7.4.210.0070.00816.63
7.4.200.0050.00216.73
7.4.160.0090.00816.56
7.4.140.0110.00717.86
7.4.130.0170.00016.61
7.4.120.0110.00816.63
7.4.110.0110.00816.63
7.4.100.0030.01516.69
7.4.90.0060.01216.71
7.4.80.0100.01019.39
7.4.70.0090.00916.62
7.4.60.0080.00816.55
7.4.50.0050.00716.61
7.4.40.0000.01616.68
7.4.10.0040.01215.22
7.4.00.0050.01214.92
7.3.330.0020.00213.19
7.3.320.0030.00313.18
7.3.310.0000.00716.35
7.3.300.0000.00716.20
7.3.290.0000.00716.36
7.3.280.0150.00316.37
7.3.260.0090.00816.62
7.3.240.0100.00716.45
7.3.230.0060.01116.64
7.3.210.0140.00316.59
7.3.200.0030.01616.32
7.3.190.0120.00916.72
7.3.180.0060.00916.82
7.3.170.0070.01016.58
7.3.160.0060.01116.50
7.3.130.0110.00715.05
7.3.120.0090.00914.96
7.3.110.0040.01314.63
7.3.100.0120.00315.05
7.3.90.0090.00314.90
7.3.80.0070.00714.90
7.3.70.0030.00614.98
7.3.60.0030.01014.57
7.3.50.0090.00614.69
7.3.40.0070.00414.50
7.3.30.0070.00714.69
7.3.20.0040.00816.81
7.3.10.0040.01216.76
7.3.00.0140.00616.54
7.2.330.0090.01316.68
7.2.320.0120.00916.73
7.2.310.0090.00916.48
7.2.300.0030.01416.60
7.2.290.0060.01516.60
7.2.260.0080.00815.17
7.2.250.0080.00815.05
7.2.240.0040.01114.82
7.2.230.0030.01315.01
7.2.220.0060.00915.07
7.2.210.0030.01514.91
7.2.200.0030.01014.96
7.2.190.0040.01114.94
7.2.180.0050.00515.12
7.2.170.0000.01215.14
7.2.160.0030.01314.99
7.2.150.0070.00417.09
7.2.140.0030.01416.88
7.2.130.0160.00316.77
7.2.120.0120.00716.04
7.2.110.0180.00216.13
7.2.100.0100.01016.17
7.2.90.0190.00715.92
7.2.80.0170.00916.19
7.2.70.0160.00516.33
7.2.60.0150.00816.14
7.2.50.0180.00416.10
7.2.40.0160.00416.19
7.2.30.0120.01016.21
7.2.20.0140.00616.04
7.2.10.0160.00816.01
7.2.00.0130.00916.31
7.1.330.0080.00815.88
7.1.320.0060.01215.93
7.1.310.0070.01015.92
7.1.300.0030.01015.85
7.1.290.0030.00715.76
7.1.280.0030.01015.87
7.1.270.0030.01015.71
7.1.260.0070.01115.70
7.1.250.0060.01115.62
7.1.240.0130.00914.96
7.1.230.0210.00515.07
7.1.220.0180.00714.85
7.1.210.0150.00314.73
7.1.200.0180.00514.88
7.1.190.0120.00514.88
7.1.180.0260.01014.92
7.1.170.0190.00514.87
7.1.160.0100.00715.02
7.1.150.0100.00914.94
7.1.140.0110.00914.92
7.1.130.0230.00014.99
7.1.120.0140.00614.97
7.1.110.0170.00614.89
7.1.100.0150.00715.13
7.1.90.0170.00614.86
7.1.80.0140.00814.88
7.1.70.0190.00815.02
7.1.60.0160.00315.03
7.1.50.0200.00714.89
7.1.40.0160.00714.79
7.1.30.0080.01014.98
7.1.20.0190.00314.90
7.1.10.0160.00714.88
7.1.00.0200.00915.04
7.0.330.0050.00515.52
7.0.320.0030.01415.36
7.0.310.0060.00315.42
7.0.300.0090.00315.52
7.0.290.0030.01115.57
7.0.280.0030.01015.48
7.0.270.0000.01515.52
7.0.260.0070.00715.59
7.0.250.0030.01015.71
7.0.240.0000.01515.80
7.0.230.0050.00515.53
7.0.220.0030.01015.53
7.0.210.0100.00015.52
7.0.200.0000.01315.57
7.0.190.0070.00715.70
7.0.180.0000.01315.56
7.0.170.0040.00715.66
7.0.160.0000.01115.71
7.0.150.0000.01015.43
7.0.140.0080.00315.21
7.0.130.0040.00715.61
7.0.120.0030.01015.54
7.0.110.0040.01115.58
7.0.100.0060.00315.54
7.0.90.0000.00815.42
7.0.80.0030.00615.57
7.0.70.0040.00815.43
7.0.60.0030.00915.71
7.0.50.0080.00015.61
7.0.40.0080.00413.63
7.0.30.0070.00713.86
7.0.20.0060.00613.61
7.0.10.0080.00313.60
7.0.00.0030.01013.74
5.6.400.0060.00914.22
5.6.390.0030.01214.54
5.6.380.0050.00914.01
5.6.370.0040.01414.07
5.6.360.0030.00914.05
5.6.350.0000.01413.91
5.6.340.0060.00614.16
5.6.330.0130.00314.26
5.6.320.0060.00313.94
5.6.310.0040.00414.20
5.6.300.0000.01314.34
5.6.290.0090.00314.66
5.6.280.0000.01514.55
5.6.270.0100.00314.09
5.6.260.0040.00814.21
5.6.250.0060.00314.32
5.6.240.0030.00714.13
5.6.230.0110.00414.21
5.6.220.0090.00314.34
5.6.210.0070.00714.28
5.6.200.0040.01114.21
5.6.190.0030.01014.38
5.6.180.0030.01014.45
5.6.170.0160.00014.20
5.6.160.0070.00714.17
5.6.150.0040.01214.14
5.6.140.0030.00614.46
5.6.130.0070.00714.11
5.6.120.0080.00414.13
5.6.110.0060.00314.27
5.6.100.0080.00414.42
5.6.90.0060.00614.52
5.6.80.0000.00814.02
5.6.70.0040.00714.41
5.6.60.0030.01414.14
5.6.50.0060.00914.12
5.6.40.0000.01014.28
5.6.30.0000.01113.93
5.6.20.0030.01014.34
5.6.10.0120.00313.84
5.6.00.0040.00414.08

preferences:
31.53 ms | 403 KiB | 5 Q