3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = "He/llo W+or_ld Test=Code"; if( preg_match_all('/[^a-zA-Z ]/', $name, $res) ){ echo "Unavailable Characters: " . implode('', $res[0]); }

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)
8.4.130.0100.00722.18
8.4.120.0120.00820.39
8.4.110.0110.00418.91
8.4.100.0120.00818.81
8.4.90.0110.01020.66
8.4.80.0100.01018.55
8.4.70.0030.00618.16
8.4.60.0100.00518.75
8.4.50.0110.00919.97
8.4.40.0070.01417.84
8.4.30.0130.00620.61
8.4.20.0000.01524.37
8.4.10.0130.00619.78
8.3.260.0110.00916.78
8.3.250.0090.01019.00
8.3.240.0100.01016.61
8.3.230.0100.00816.54
8.3.220.0130.00518.63
8.3.210.0150.00316.69
8.3.200.0080.00016.50
8.3.190.0060.00417.22
8.3.180.0050.00516.85
8.3.170.0160.00318.76
8.3.160.0090.00916.60
8.3.150.0090.00920.55
8.3.140.0080.00016.86
8.3.130.0030.00618.30
8.3.120.0040.00418.66
8.3.110.0040.01120.94
8.3.100.0120.00924.06
8.3.90.0120.00326.77
8.3.80.0060.00316.50
8.3.70.0110.00316.74
8.3.60.0100.00718.30
8.3.50.0110.00623.58
8.3.40.0160.00320.52
8.3.30.0110.00718.82
8.3.20.0000.00824.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.290.0090.01020.44
8.2.280.0110.00718.87
8.2.270.0130.00617.02
8.2.260.0160.00020.25
8.2.250.0060.00316.73
8.2.240.0060.00916.94
8.2.230.0070.00322.58
8.2.220.0090.00037.54
8.2.210.0070.00026.77
8.2.200.0130.00017.00
8.2.190.0100.01017.00
8.2.180.0140.00025.92
8.2.170.0040.01119.06
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00026.35
8.2.110.0060.00322.26
8.2.100.0080.00418.03
8.2.90.0000.00817.88
8.2.80.0030.00519.09
8.2.70.0040.00417.88
8.2.60.0080.00018.04
8.2.50.0000.00818.07
8.2.40.0030.00518.35
8.2.30.0000.00718.24
8.2.20.0040.00418.19
8.2.10.0040.00419.19
8.2.00.0040.00419.13
8.1.330.0120.00716.53
8.1.320.0130.00816.50
8.1.310.0030.00616.74
8.1.300.0090.00618.57
8.1.290.0090.00018.88
8.1.280.0110.00725.92
8.1.270.0030.00623.99
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0070.00417.89
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0050.00517.35
8.1.190.0060.00319.01
8.1.180.0000.00818.10
8.1.170.0000.00818.61
8.1.160.0030.00518.71
8.1.150.0050.00218.72
8.1.140.0070.00018.90
8.1.130.0040.00417.57
8.1.120.0000.00717.46
8.1.110.0020.00517.37
8.1.100.0000.00817.38
8.1.90.0000.00717.42
8.1.80.0050.00217.55
8.1.70.0040.00417.47
8.1.60.0000.00817.64
8.1.50.0000.00817.51
8.1.40.0000.00817.57
8.1.30.0040.00417.73
8.1.20.0040.00417.74
8.1.10.0040.00417.63
8.1.00.0040.00417.70
8.0.300.0090.00018.77
8.0.290.0000.00816.88
8.0.280.0070.00018.36
8.0.270.0000.00818.19
8.0.260.0070.00016.96
8.0.250.0000.00717.08
8.0.240.0030.00317.09
8.0.230.0000.00717.06
8.0.220.0030.00316.91
8.0.210.0030.00317.09
8.0.200.0030.00316.99
8.0.190.0000.00817.10
8.0.180.0030.00717.00
8.0.170.0090.00017.05
8.0.160.0040.00417.05
8.0.150.0040.00416.92
8.0.140.0030.00516.99
8.0.130.0030.00313.52
8.0.120.0030.00517.01
8.0.110.0070.00016.77
8.0.100.0040.00416.83
8.0.90.0040.00417.03
8.0.80.0090.00816.88
8.0.70.0060.00317.01
8.0.60.0070.00017.01
8.0.50.0040.00416.75
8.0.30.0100.00717.40
8.0.20.0090.01017.26
8.0.10.0080.00017.05
8.0.00.0150.00716.71
7.4.330.0000.00515.55
7.4.320.0030.00316.61
7.4.300.0070.00016.73
7.4.290.0070.00016.63
7.4.280.0030.00716.75
7.4.270.0030.00516.63
7.4.260.0030.00313.43
7.4.250.0030.00616.75
7.4.240.0000.00916.71
7.4.230.0000.00716.78
7.4.220.0020.00516.47
7.4.210.0080.01216.74
7.4.200.0030.00316.74
7.4.130.0170.00216.65
7.4.120.0120.00616.75
7.4.110.0070.01016.85
7.4.100.0060.01316.69
7.4.90.0090.01416.58
7.4.80.0070.01116.61
7.4.70.0100.00716.72
7.4.60.0070.01016.83
7.4.50.0090.00916.47
7.4.40.0090.00916.42
7.4.30.0120.00616.77
7.4.20.0100.00716.59
7.4.10.0120.00616.66
7.4.00.0000.02016.48
7.3.330.0070.00016.38
7.3.320.0030.00313.16
7.3.310.0040.00416.36
7.3.300.0060.00016.44
7.3.290.0070.00916.35
7.3.260.0160.00316.53
7.3.230.0060.01016.54
7.3.220.0180.00016.69
7.3.210.0120.00616.36
7.3.200.0070.01016.70
7.3.190.0090.01216.51
7.3.180.0080.00816.65
7.3.170.0130.00316.36
7.3.160.0140.00316.58
7.3.150.0100.00716.35
7.3.140.0060.01016.38
7.3.130.0100.00716.57
7.3.120.0040.01416.49
7.3.110.0150.00316.41
7.3.100.0030.01316.59
7.3.90.0120.00616.50
7.3.80.0130.00316.22
7.3.70.0070.01016.48
7.3.60.0070.01016.50
7.3.50.0110.00816.55
7.3.40.0110.00616.58
7.3.30.0130.00716.56
7.3.20.0150.00416.61
7.3.10.0090.00916.59
7.3.00.0140.00616.47
7.2.330.0060.01216.46
7.2.320.0090.00916.74
7.2.310.0100.00716.75
7.2.300.0140.00416.86
7.2.290.0070.01416.67
7.2.280.0100.00716.76
7.2.270.0070.01016.81
7.2.260.0090.00916.43
7.2.250.0030.01416.86
7.2.240.0100.00616.85
7.2.230.0090.00916.86
7.2.220.0090.00916.70
7.2.210.0140.00316.54
7.2.200.0180.00016.61
7.2.190.0110.00716.62
7.2.180.0080.00917.00
7.2.170.0090.01316.62
7.2.160.0080.01116.52
7.2.150.0130.00616.60
7.2.140.0070.01116.88
7.2.130.0070.01116.65
7.2.120.0100.01016.54
7.2.110.0030.01516.81
7.2.100.0000.02216.74
7.2.90.0090.01216.66
7.2.80.0120.00616.65
7.2.70.0060.01216.72
7.2.60.0100.00716.61
7.2.50.0200.01016.81
7.2.40.0130.01316.73
7.2.30.0070.01116.77
7.2.20.0090.00916.86
7.2.10.0120.00616.87
7.2.00.0070.01016.70

preferences:
28.75 ms | 403 KiB | 5 Q