3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 'a, modern php framework.= is a must 1234'; $output = preg_replace('/[^a-zA-z\d]/', '_', $value); $put = preg_replace('/_*/', '_', $output); echo $put;

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)
8.3.60.0140.01116.63
8.3.50.0040.01516.54
8.3.40.0060.00918.96
8.3.30.0060.01218.84
8.3.20.0000.00720.19
8.3.10.0040.00421.68
8.3.00.0050.00320.68
8.2.180.0130.01018.54
8.2.170.0140.00022.96
8.2.160.0100.00322.09
8.2.150.0040.00424.18
8.2.140.0040.01124.66
8.2.130.0040.00422.23
8.2.120.0050.00226.35
8.2.110.0090.00020.38
8.2.100.0090.00317.91
8.2.90.0040.00419.12
8.2.80.0040.00418.04
8.2.70.0060.00317.50
8.2.60.0030.00617.80
8.2.50.0030.00518.10
8.2.40.0000.00822.34
8.2.30.0040.00419.22
8.2.20.0080.00317.98
8.2.10.0040.00418.10
8.2.00.0000.00718.00
8.1.280.0070.00725.92
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.19
8.1.230.0080.00317.83
8.1.220.0000.00817.80
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0080.00017.35
8.1.180.0060.00318.10
8.1.170.0000.00818.71
8.1.160.0070.00019.03
8.1.150.0040.00420.57
8.1.140.0060.00319.57
8.1.130.0070.00018.84
8.1.120.0060.00317.55
8.1.110.0000.00817.54
8.1.100.0050.00317.53
8.1.90.0080.00017.55
8.1.80.0000.00717.51
8.1.70.0000.00717.41
8.1.60.0040.00417.62
8.1.50.0030.00517.45
8.1.40.0040.00417.60
8.1.30.0000.00717.80
8.1.20.0000.00817.69
8.1.10.0060.00317.65
8.1.00.0040.00417.59
8.0.300.0060.00320.14
8.0.290.0000.00716.88
8.0.280.0000.00718.36
8.0.270.0030.00317.23
8.0.260.0000.00717.04
8.0.250.0070.00017.18
8.0.240.0040.00417.00
8.0.230.0050.00216.98
8.0.220.0000.00817.06
8.0.210.0040.00417.01
8.0.200.0060.00316.92
8.0.190.0030.00617.08
8.0.180.0040.00417.07
8.0.170.0040.00417.06
8.0.160.0050.00316.98
8.0.150.0000.01116.86
8.0.140.0030.00317.02
8.0.130.0080.00313.38
8.0.120.0040.00417.01
8.0.110.0030.00516.94
8.0.100.0000.00717.06
8.0.90.0000.00816.86
8.0.80.0180.00417.08
8.0.70.0050.00317.09
8.0.60.0040.00416.99
8.0.50.0040.00417.08
8.0.30.0080.01017.08
8.0.20.0130.00817.40
8.0.10.0070.00017.10
8.0.00.0140.00716.98
7.4.330.0050.00015.55
7.4.320.0060.00016.80
7.4.300.0030.00316.68
7.4.290.0000.00716.55
7.4.280.0040.00416.61
7.4.270.0000.00816.57
7.4.260.0070.00316.53
7.4.250.0040.00416.75
7.4.240.0000.00716.55
7.4.230.0030.00316.64
7.4.220.0100.01716.69
7.4.210.0100.00616.84
7.4.200.0000.00816.53
7.4.160.0090.00916.70
7.4.150.0130.00917.40
7.4.140.0090.01217.86
7.4.130.0130.00716.62
7.4.120.0140.00516.61
7.3.330.0050.00013.21
7.3.320.0050.00013.10
7.3.310.0030.00316.50
7.3.300.0000.00716.39
7.3.290.0100.00616.45
7.3.280.0100.00716.35
7.3.270.0120.00617.40
7.3.260.0100.00816.44
7.3.250.0090.00916.56
7.3.240.0090.00816.33
7.0.200.0800.01314.83

preferences:
63.68 ms | 401 KiB | 5 Q