3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = [ <<<STRING 1 + 2 * (3 + (23 + 53 - (132 / 5) + 5) - 1) + 2 / 'test + string' - 52 STRING, <<<STRING 1+2*(3+(23+53-(132/5)+5)-1)+2/'test+string'-52 STRING ]; foreach ($strings as $str) { var_export( preg_split( "~(?:(\((?:[^()]+|(?1))*\))|'[^']*'|[\d.]+|[*/^+-])\K ?~", $str, -1, PREG_SPLIT_NO_EMPTY ) ); echo "\n"; }

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)
8.5.00.0110.01220.29
8.4.150.0020.00014.05
8.4.140.0140.00717.77
8.4.130.0150.00517.71
8.4.120.0100.00922.02
8.4.110.0130.00618.83
8.4.100.0070.00318.98
8.4.90.0090.01118.98
8.4.80.0070.00118.73
8.4.70.0120.00917.82
8.4.60.0120.00818.44
8.4.50.0120.00918.48
8.4.40.0130.00617.68
8.4.30.0090.00920.25
8.4.20.0070.00318.26
8.4.10.0030.00622.19
8.3.280.0120.00918.77
8.3.270.0090.01116.89
8.3.260.0110.00816.82
8.3.250.0130.00618.80
8.3.240.0110.00816.80
8.3.230.0110.00716.79
8.3.220.0030.00518.94
8.3.210.0040.00416.88
8.3.200.0030.00616.70
8.3.190.0140.00516.90
8.3.180.0110.00816.82
8.3.170.0100.01018.87
8.3.160.0110.00719.99
8.3.150.0090.00917.42
8.3.140.0040.00416.93
8.3.130.0000.00818.80
8.3.120.0110.00819.08
8.3.110.0000.00817.02
8.3.100.0090.00020.18
8.3.90.0040.00426.77
8.3.80.0030.00619.36
8.3.70.0030.01218.43
8.3.60.0120.00316.75
8.3.50.0090.00724.64
8.3.40.0070.00718.96
8.3.30.0070.00718.82
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0100.00026.16
8.2.290.0130.00620.38
8.2.280.0140.00520.28
8.2.270.0030.00517.14
8.2.260.0000.00918.75
8.2.250.0050.00316.63
8.2.240.0090.00017.23
8.2.230.0030.00620.94
8.2.220.0060.00324.06
8.2.210.0030.00726.77
8.2.200.0040.00818.88
8.2.190.0110.00418.54
8.2.180.0140.00725.92
8.2.170.0060.00919.08
8.2.160.0090.00622.96
8.2.150.0000.00825.66
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0130.00626.35
8.2.110.0040.00720.34
8.2.100.0100.00318.03
8.2.90.0090.00017.88
8.2.80.0040.00418.98
8.2.70.0090.00317.75
8.2.60.0000.00818.03
8.2.50.0030.00618.07
8.2.40.0000.00818.02
8.2.30.0000.00718.15
8.2.20.0050.00218.02
8.2.10.0060.00321.07
8.2.00.0050.00219.21
8.1.330.0130.00621.84
8.1.320.0110.00916.59
8.1.310.0070.01118.33
8.1.300.0100.00620.32
8.1.290.0060.00330.84
8.1.280.0100.00725.92
8.1.270.0030.00522.14
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0030.00619.02
8.1.230.0120.00017.70
8.1.220.0090.00017.74
8.1.210.0030.00518.77
8.1.200.0000.00917.47
8.1.190.0090.00317.36
8.1.180.0030.00618.10
8.1.170.0030.00618.78
8.1.160.0040.00818.98
8.1.150.0040.00418.91
8.1.140.0040.00420.59
8.1.130.0000.00720.22
8.1.120.0060.00317.54
8.1.110.0030.00617.57
8.1.100.0050.00217.52
8.1.90.0040.00417.51
8.1.80.0080.00017.59
8.1.70.0030.00317.67
8.1.60.0000.00917.80
8.1.50.0040.00417.71
8.1.40.0030.00617.68
8.1.30.0000.00817.83
8.1.20.0000.00817.75
8.1.10.0000.00717.70
8.1.00.0030.00517.63
8.0.300.0000.00818.77
8.0.290.0000.00716.88
8.0.280.0070.00018.42
8.0.270.0080.00018.28
8.0.260.0060.00018.53
8.0.250.0080.00017.30
8.0.240.0000.00717.15
8.0.230.0000.00817.23
8.0.220.0040.00417.11
8.0.210.0030.00317.08
8.0.200.0030.00317.26
8.0.190.0000.00817.15
8.0.180.0040.00417.17
8.0.170.0030.00617.17
8.0.160.0000.00717.07
8.0.150.0030.00517.06
8.0.140.0070.00017.15
8.0.130.0060.00013.58
8.0.120.0000.00817.14
8.0.110.0000.00717.20
8.0.100.0000.00717.21
8.0.90.0040.00417.08
8.0.80.0090.00617.14
8.0.70.0030.00517.24
8.0.60.0030.00516.98
8.0.50.0040.00417.13
8.0.30.0100.00717.29
8.0.20.0140.00517.19
8.0.10.0080.01117.12
8.0.00.0080.01117.38
7.4.330.0020.00215.55
7.4.320.0000.00716.81
7.4.300.0030.00316.73
7.4.290.0030.00516.77
7.4.280.0040.00416.67
7.4.270.0000.00716.71
7.4.260.0050.00013.52
7.4.250.0070.00016.70
7.4.240.0050.00216.77
7.4.230.0050.00216.80
7.4.220.0050.00216.78
7.4.210.0060.00916.92
7.4.200.0040.00417.00
7.4.150.0120.00616.91
7.4.140.0120.00616.47
7.4.130.0120.00616.53
7.4.120.0090.00916.65
7.4.110.0120.00616.61
7.4.100.0000.01716.69
7.4.90.0060.01216.88
7.4.80.0140.00316.61
7.4.70.0040.01416.71
7.4.60.0070.01016.65
7.4.50.0150.00316.66
7.4.40.0100.01016.79
7.4.30.0060.01816.70
7.4.20.0090.00916.61
7.4.10.0070.01016.68
7.4.00.0070.01116.55
7.3.330.0040.00416.48
7.3.320.0060.00013.33
7.3.310.0030.00316.62
7.3.300.0070.00016.55
7.3.290.0060.01216.55
7.3.270.0100.00716.49
7.3.260.0030.01416.50
7.3.250.0150.00416.76
7.3.240.0100.00716.40
7.3.230.0140.00316.51
7.3.220.0100.00716.71
7.3.210.0030.01516.43
7.3.200.0040.01516.76
7.3.190.0060.01116.53
7.3.180.0040.01416.66
7.3.170.0120.00616.56
7.3.160.0070.01416.47
7.3.150.0100.01116.74
7.3.140.0120.00416.55
7.3.130.0140.00416.58
7.3.120.0150.00416.78
7.3.110.0090.00916.66
7.3.100.0040.01316.39
7.3.90.0150.00616.38
7.3.80.0090.00916.43
7.3.70.0190.00016.66
7.3.60.0150.00416.54
7.3.50.0140.00316.66
7.3.40.0030.01416.33
7.3.30.0180.00316.42
7.3.20.0100.00716.73
7.3.10.0070.01116.52
7.3.00.0100.01016.43

preferences:
161.04 ms | 403 KiB | 5 Q