3v4l.org

run code in 500+ PHP versions simultaneously
<?php $name = 'John Doe, Ph.D'; $get_name = preg_replace(array('/^([a-z]+(?:\s+[a-z]+)?)[^a-z].*$/', '/\s+/'), array('$1', '_'), strtolower($name)); echo $get_name; echo "\n"; $name = 'Fred , M.Sc'; $get_name = preg_replace(array('/^([a-z]+(?:\s+[a-z]+)?)[^a-z].*$/', '/\s+/'), array('$1', '_'), strtolower($name)); echo $get_name; echo "\n"; $name = 'Fred John Doe , B.A'; $get_name = preg_replace(array('/^([a-z]+(?:\s+[a-z]+)?)[^a-z].*$/', '/\s+/'), array('$1', '_'), strtolower($name)); echo $get_name;

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)
8.5.60.0120.00616.65
8.5.50.0080.01016.88
8.5.30.0100.00720.28
8.5.20.0120.00720.25
8.5.10.0070.01121.83
8.5.00.0130.00820.24
8.4.210.0170.00621.46
8.4.180.0110.01219.72
8.4.170.0060.00423.94
8.4.160.0040.00823.36
8.4.150.0090.00416.98
8.4.140.0150.01117.71
8.4.130.0130.00717.82
8.4.120.0080.01120.74
8.4.110.0120.01022.23
8.4.100.0030.00517.75
8.4.90.0030.00618.46
8.4.80.0130.00820.02
8.4.70.0060.00318.20
8.4.60.0070.00918.76
8.4.50.0120.00818.77
8.4.40.0210.00019.49
8.4.30.0060.00320.39
8.4.20.0090.00018.10
8.4.10.0040.00420.38
8.3.300.0120.00820.95
8.3.290.0070.01420.90
8.3.280.0110.01018.47
8.3.270.0110.01016.53
8.3.260.0090.00716.79
8.3.250.0150.00418.61
8.3.240.0130.00716.66
8.3.230.0120.00916.71
8.3.220.0060.00417.05
8.3.210.0120.00618.50
8.3.200.0030.00516.76
8.3.190.0090.00717.03
8.3.180.0120.00716.84
8.3.170.0070.01118.98
8.3.160.0130.00717.04
8.3.150.0110.00818.99
8.3.140.0110.00716.62
8.3.130.0050.00516.75
8.3.120.0080.00318.86
8.3.110.0060.00316.86
8.3.100.0120.00018.27
8.3.90.0040.00426.77
8.3.80.0090.00016.50
8.3.70.0100.00716.58
8.3.60.0180.00316.38
8.3.50.0090.00920.15
8.3.40.0040.01118.90
8.3.30.0090.00619.03
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.300.0130.01020.38
8.2.290.0090.00820.36
8.2.280.0080.00218.47
8.2.270.0060.01518.70
8.2.260.0120.00618.48
8.2.250.0070.01316.73
8.2.240.0060.00316.75
8.2.230.0060.00320.94
8.2.220.0050.00524.06
8.2.210.0110.00426.77
8.2.200.0100.00018.41
8.2.190.0130.00718.79
8.2.180.0150.00325.92
8.2.170.0080.00819.08
8.2.160.0110.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0140.00426.16
8.2.120.0080.00026.16
8.2.110.0100.00020.12
8.2.100.0070.00417.85
8.2.90.0080.00018.16
8.2.80.0060.00317.97
8.2.70.0040.00417.88
8.2.60.0050.00317.75
8.2.50.0090.00017.98
8.2.40.0050.00317.97
8.2.30.0050.00318.31
8.2.20.0040.00420.42
8.2.10.0000.00718.03
8.2.00.0050.00219.21
8.1.340.0130.00717.89
8.1.330.0050.00321.79
8.1.320.0070.00816.59
8.1.310.0040.00418.39
8.1.300.0000.00818.41
8.1.290.0090.00030.84
8.1.280.0090.00625.92
8.1.270.0000.00823.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0000.00922.20
8.1.230.0030.00720.96
8.1.220.0040.00417.76
8.1.210.0000.00819.03
8.1.200.0030.00517.30
8.1.190.0050.00317.23
8.1.180.0110.00018.10
8.1.170.0000.00717.62
8.1.160.0030.00518.92
8.1.150.0050.00318.65
8.1.140.0040.00417.46
8.1.130.0000.00718.88
8.1.120.0040.00417.49
8.1.110.0000.00817.57
8.1.100.0040.00417.53
8.1.90.0070.00017.48
8.1.80.0040.00417.45
8.1.70.0000.00717.47
8.1.60.0000.00817.53
8.1.50.0090.00017.57
8.1.40.0050.00517.49
8.1.30.0220.00417.64
8.1.20.0220.00417.77
8.1.10.0190.00617.54
8.1.00.0150.01017.57
8.0.300.0000.00720.07
8.0.290.0000.00816.88
8.0.280.0030.00318.47
8.0.270.0040.00416.96
8.0.260.0000.00718.53
8.0.250.0050.00317.02
8.0.240.0030.00317.00
8.0.230.0000.00716.95
8.0.220.0050.00217.02
8.0.210.0050.00516.98
8.0.200.0000.00816.93
8.0.190.0050.00316.95
8.0.180.0000.00817.06
8.0.170.0180.00316.87
8.0.160.0170.00416.82
8.0.150.0160.00616.93
8.0.140.0130.00916.78
8.0.130.0170.00516.88
8.0.120.0190.00316.93
8.0.110.0100.00316.84
8.0.100.0140.00016.99
8.0.90.0090.00516.82
8.0.80.0050.00816.82
8.0.70.0140.00016.97
8.0.60.0070.00516.79
8.0.50.0120.00016.96
8.0.30.0090.00316.95
8.0.20.0030.00916.84
8.0.10.0050.00517.02
7.4.330.0020.00215.55
7.4.320.0000.00616.74
7.4.300.0030.00316.66
7.4.290.0040.00416.61
7.4.280.0110.00016.77
7.4.270.0100.00316.77
7.4.260.0120.00916.54
7.4.250.0160.00516.52
7.4.240.0130.00816.70
7.4.230.0150.00916.54
7.4.220.0160.00516.66
7.4.210.0140.00716.64
7.4.200.0170.00316.55
7.4.190.0100.01016.66
7.4.180.0170.00516.84
7.4.160.0100.01016.71
7.4.150.0170.00316.70
7.4.140.0150.00616.54
7.4.130.0140.00516.66
7.4.120.0130.00316.60
7.4.110.0170.00016.59
7.4.100.0170.00316.71
7.4.90.0120.00216.54
7.4.80.0110.00316.80
7.4.70.0090.00616.65
7.4.60.0180.00016.64
7.4.50.0110.00316.64
7.4.40.0120.00416.23
7.4.30.0170.00016.62
7.4.20.0020.00816.69
7.4.10.0130.00416.57
7.4.00.0120.00916.59

preferences:
63.12 ms | 1254 KiB | 5 Q