3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = "/^([A-Z\d]+)\[(?|(\d+)-(\d+)|([A-Z])-([A-Z]))]|([A-Z\d]+)$/"; $strings = [ "SW[1-3]", "LD1[A-D]", "LD1" ]; foreach ($strings as $s) { if (preg_match($pattern, $s, $match)) { if (array_key_exists(4, $match)) { echo $match[4] . PHP_EOL; continue; } foreach (range($match[2], $match[3]) as $m) { echo $match[1] . $m . PHP_EOL; } } }

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)
8.4.130.0110.01017.94
8.4.120.0040.00524.24
8.4.110.0110.00921.85
8.4.100.0120.01018.91
8.4.90.0090.00922.67
8.4.80.0110.00918.82
8.4.70.0050.00418.11
8.4.60.0090.01118.83
8.4.50.0100.01018.63
8.4.40.0130.00619.77
8.4.30.0070.01318.50
8.4.20.0130.00618.95
8.4.10.0060.00319.70
8.3.260.0120.00717.39
8.3.250.0140.00518.70
8.3.240.0090.00717.35
8.3.230.0130.00716.93
8.3.220.0040.00518.98
8.3.210.0110.01016.89
8.3.200.0040.00416.91
8.3.190.0080.00316.93
8.3.180.0120.00820.94
8.3.170.0070.01120.41
8.3.160.0090.00917.31
8.3.150.0100.01017.10
8.3.140.0000.01516.52
8.3.130.0080.00016.57
8.3.120.0030.00618.87
8.3.110.0100.00020.94
8.3.100.0100.00024.06
8.3.90.0040.01126.77
8.3.80.0060.00319.36
8.3.70.0210.00018.56
8.3.60.0160.00316.75
8.3.50.0120.00316.58
8.3.40.0120.00319.09
8.3.30.0150.00018.93
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0100.01017.13
8.2.280.0090.00917.08
8.2.270.0120.00617.11
8.2.260.0090.00616.95
8.2.250.0070.01318.55
8.2.240.0080.00819.07
8.2.230.0080.00022.58
8.2.220.0060.00337.54
8.2.210.0040.00426.77
8.2.200.0040.00418.88
8.2.190.0060.00916.63
8.2.180.0000.01525.92
8.2.170.0120.00319.26
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0050.00518.96
8.2.110.0040.00719.16
8.2.100.0030.01019.78
8.2.90.0030.00617.75
8.2.80.0080.00018.94
8.2.70.0000.00817.88
8.2.60.0030.00618.16
8.2.50.0050.00318.07
8.2.40.0040.00418.35
8.2.30.0080.00018.05
8.2.20.0030.00618.02
8.2.10.0040.00419.18
8.2.00.0040.00419.41
8.1.330.0090.01022.04
8.1.320.0140.00816.12
8.1.310.0060.00318.57
8.1.300.0110.00718.16
8.1.290.0030.00630.84
8.1.280.0100.00725.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00319.34
8.1.230.0040.00717.89
8.1.220.0030.00617.74
8.1.210.0090.00018.77
8.1.200.0030.00617.48
8.1.190.0030.00617.35
8.1.180.0090.00019.29
8.1.170.0060.00318.71
8.1.160.0040.00418.91
8.1.150.0040.00418.95
8.1.140.0050.00218.87
8.1.130.0070.00020.18
8.1.120.0000.00717.55
8.1.110.0050.00317.58
8.1.100.0030.00517.57
8.1.90.0030.00717.50
8.1.80.0000.00717.49
8.1.70.0000.00817.66
8.1.60.0000.00817.64
8.1.50.0050.00317.64
8.1.40.0040.00417.67
8.1.30.0000.00917.80
8.1.20.0000.00917.80
8.1.10.0000.00817.72
8.1.00.0040.00717.67
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0030.00318.47
8.0.270.0000.00818.15
8.0.260.0030.00320.09
8.0.250.0000.00717.16
8.0.240.0030.00317.02
8.0.230.0000.00717.07
8.0.220.0070.00017.08
8.0.210.0040.00416.95
8.0.200.0060.00316.94
8.0.190.0020.00516.93
8.0.180.0000.00717.06
8.0.170.0060.00317.08
8.0.160.0030.00517.04
8.0.150.0040.00416.98
8.0.140.0040.00416.93
8.0.130.0060.00013.43
8.0.120.0060.00317.02
8.0.110.0000.00716.95
8.0.100.0040.00417.02
8.0.90.0050.00316.89
8.0.80.0090.00517.02
8.0.70.0000.00716.93
8.0.60.0000.00717.09
8.0.50.0070.00016.86
8.0.30.0190.01017.06
8.0.20.0270.00417.09
8.0.10.0190.01017.12
8.0.00.0220.00617.09
7.4.330.0000.00515.55
7.4.320.0030.00316.67
7.4.300.0050.00316.71
7.4.290.0050.00316.66
7.4.280.0030.00516.65
7.4.270.0000.00816.70
7.4.260.0050.00013.59
7.4.250.0030.00316.72
7.4.240.0030.00316.80
7.4.230.0040.00416.61
7.4.220.0060.00316.71
7.4.210.0080.00716.82
7.4.200.0000.00716.93
7.4.160.0200.01616.75
7.4.150.0150.01516.78
7.4.140.0170.01416.73
7.4.130.0250.00916.85
7.4.120.0270.01716.79
7.4.110.0280.00916.68
7.4.100.0150.01616.82
7.4.90.0220.01316.60
7.4.80.0290.01116.67
7.4.70.0240.01016.58
7.4.60.0150.01016.74
7.4.50.0190.00616.69
7.4.40.0170.02116.48
7.4.30.0120.01216.79
7.4.20.0110.01116.47
7.4.10.0100.01316.54
7.4.00.0230.00316.61
7.3.330.0040.00416.37
7.3.320.0000.00613.36
7.3.310.0070.00016.55
7.3.300.0030.00516.48
7.3.290.0090.00816.47
7.3.280.0140.01416.44
7.3.270.0140.00916.34
7.3.260.0180.00816.50
7.3.250.0130.01016.32
7.3.240.0120.00916.33
7.3.230.0190.00416.40
7.3.220.0090.01416.39
7.3.210.0100.01016.45
7.3.200.0070.01416.25
7.3.190.0110.01416.34
7.3.180.0080.01316.33
7.3.170.0130.01316.24
7.3.160.0200.01116.36
7.3.150.0400.01516.44
7.3.140.0220.00916.45
7.3.130.0210.00516.36
7.3.120.0230.00216.34
7.3.110.0150.00816.36
7.3.100.0140.01116.35
7.3.90.0120.00916.59
7.3.80.0070.01116.30
7.3.70.0100.02016.47
7.3.60.0090.00916.49
7.3.50.0200.00316.67
7.3.40.0100.01316.54
7.3.30.0170.00416.39
7.3.20.0240.00416.37
7.3.10.0100.01016.46
7.3.00.0120.00616.49

preferences:
29.05 ms | 403 KiB | 5 Q