3v4l.org

run code in 300+ PHP versions simultaneously
<?php function hasSpecialChar($subject) { $pattern = "/[`~!@#$%^&*()+=|{}':;',\\[\\].<>\/?~!@#¥%……&*()——+|{}【】‘;:”\"“’。,、?]/"; if (preg_match($pattern, $subject)) { return true; } return false; } var_dump(hasSpecialChar('问答社区')); // boolean true var_dump(hasSpecialChar('Segmentfault')); // boolean false var_dump(hasSpecialChar('@Segmentfault')); // boolean true

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)
8.3.60.0120.00318.43
8.3.50.0100.00621.21
8.3.40.0110.00418.53
8.3.30.0030.01018.92
8.3.20.0000.00820.09
8.3.10.0040.00422.13
8.3.00.0080.00022.38
8.2.180.0100.01016.63
8.2.170.0110.00422.96
8.2.160.0070.00719.22
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00419.49
8.2.110.0090.00020.39
8.2.100.0110.00018.03
8.2.90.0030.00619.18
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0000.00917.92
8.2.50.0000.00818.07
8.2.40.0040.00418.09
8.2.30.0000.00717.94
8.2.20.0050.00317.63
8.2.10.0060.00317.65
8.2.00.0040.00417.77
8.1.280.0100.00325.92
8.1.270.0000.00822.01
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0070.00421.95
8.1.230.0040.00720.97
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0000.00817.39
8.1.180.0000.00820.48
8.1.170.0080.00318.67
8.1.160.0070.00022.09
8.1.150.0040.00418.73
8.1.140.0000.00917.50
8.1.130.0000.00717.86
8.1.120.0000.00817.59
8.1.110.0020.00517.59
8.1.100.0040.00417.54
8.1.90.0070.00017.46
8.1.80.0050.00217.57
8.1.70.0030.00317.44
8.1.60.0060.00317.77
8.1.50.0030.00617.70
8.1.40.0080.00017.64
8.1.30.0030.00517.75
8.1.20.0040.00417.85
8.1.10.0040.00417.62
8.1.00.0060.00617.54
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0040.00418.47
8.0.270.0000.00717.16
8.0.260.0030.00316.82
8.0.250.0000.00817.00
8.0.240.0080.00016.93
8.0.230.0070.00016.97
8.0.220.0000.00717.01
8.0.210.0000.00716.96
8.0.200.0000.00717.07
8.0.190.0020.00517.02
8.0.180.0030.00416.96
8.0.170.0040.00416.89
8.0.160.0000.00716.91
8.0.150.0000.00716.80
8.0.140.0000.00816.84
8.0.130.0060.00013.38
8.0.120.0030.00616.98
8.0.110.0070.00016.94
8.0.100.0050.00316.89
8.0.90.0030.00516.89
8.0.80.0090.00616.86
8.0.70.0070.00017.05
8.0.60.0070.00016.93
8.0.50.0030.00517.01
8.0.30.0120.00917.06
8.0.20.0110.01117.47
8.0.10.0000.00816.90
8.0.00.0090.00917.03
7.4.330.0050.00015.00
7.4.320.0060.00016.77
7.4.300.0000.00716.85
7.4.290.0070.00016.73
7.4.280.0050.00316.70
7.4.270.0070.00016.63
7.4.260.0000.00816.73
7.4.250.0050.00316.78
7.4.240.0030.00416.78
7.4.230.0000.00716.80
7.4.220.0120.00616.89
7.4.210.0080.00816.76
7.4.200.0070.00016.62
7.4.190.0000.00716.99
7.4.160.0060.01016.62
7.4.150.0130.00317.40
7.4.140.0080.01017.86
7.4.130.0090.01116.71
7.4.120.0130.00816.60
7.4.110.0100.01016.68
7.4.100.0090.00916.65
7.4.90.0070.01116.73
7.4.80.0110.00819.39
7.4.70.0130.00516.84
7.4.60.0030.01916.75
7.4.50.0030.00316.54
7.4.40.0030.01322.77
7.4.30.0100.00716.59
7.4.00.0060.00915.14
7.3.330.0030.00313.36
7.3.320.0030.00313.38
7.3.310.0070.00016.25
7.3.300.0070.00016.32
7.3.290.0110.00316.36
7.3.280.0080.00816.41
7.3.270.0120.00617.40
7.3.260.0100.00616.64
7.3.250.0110.00616.59
7.3.240.0060.01016.45
7.3.230.0110.00516.72
7.3.210.0000.01816.54
7.3.200.0160.00019.39
7.3.190.0080.00816.36
7.3.180.0060.00916.70
7.3.170.0150.00016.48
7.3.160.0130.00316.38
7.3.120.0120.00315.06
7.2.330.0110.00516.69
7.2.320.0170.00616.66
7.2.310.0140.00716.77
7.2.300.0040.01316.68
7.2.290.0060.01216.68
7.1.70.0110.00716.73
7.1.60.0100.01319.82
7.1.50.0040.00716.92
7.1.00.0030.07322.52
7.0.200.0000.00716.92
7.0.140.0000.07722.08
7.0.110.0100.07319.93
7.0.100.0100.04719.96
7.0.90.0070.04319.94
7.0.80.0070.03720.03
7.0.70.0070.07719.83
7.0.60.0030.04719.94
7.0.50.0030.07320.07
7.0.40.0030.07019.82
7.0.30.0130.06719.59
7.0.20.0000.08319.70
7.0.10.0100.08019.59
7.0.00.0100.07319.77
5.6.280.0070.07020.86
5.6.260.0200.06320.61
5.6.250.0070.03320.68
5.6.240.0100.08020.58
5.6.230.0100.07320.64
5.6.220.0030.04020.54
5.6.210.0100.04320.59
5.6.200.0130.08720.56
5.6.190.0070.08320.69
5.6.180.0030.06320.56
5.6.170.0070.07320.66
5.6.160.0000.06720.86
5.6.150.0030.07320.47
5.6.140.0170.07720.55
5.6.130.0000.04320.66
5.6.120.0030.05020.55
5.6.110.0070.04320.70
5.6.100.0070.07720.57
5.6.90.0170.05020.69
5.6.80.0070.03720.01
5.6.70.0130.04720.03
5.6.60.0100.03719.93
5.6.50.0070.08019.94
5.6.40.0000.05320.07
5.6.30.0030.03320.00
5.6.20.0070.08019.97
5.6.10.0030.07319.82
5.6.00.0100.07719.92
5.5.380.0100.08017.56
5.5.370.0130.07317.70
5.5.360.0130.04317.54
5.5.350.0100.06017.65
5.5.340.0030.07718.25
5.5.330.0030.04017.83
5.5.320.0070.07018.22
5.5.310.0000.06718.19
5.5.300.0070.05318.08
5.5.290.0000.08018.21
5.5.280.0030.07318.23
5.5.270.0070.08718.25
5.5.260.0100.07718.22
5.5.250.0100.07717.70
5.5.240.0130.07317.49
5.5.230.0070.07317.51
5.5.220.0070.07317.50
5.5.210.0070.06017.60
5.5.200.0100.07017.45
5.5.190.0070.06717.45
5.5.180.0030.07717.58
5.5.160.0030.08017.58
5.5.150.0070.05317.28
5.5.140.0000.04717.26
5.5.130.0070.03317.28
5.5.120.0070.07017.28
5.5.110.0070.06717.45
5.5.100.0130.06717.16
5.5.90.0000.04717.38
5.5.80.0070.05017.18
5.5.70.0070.07717.33
5.5.60.0130.06717.15
5.5.50.0030.06017.07
5.5.40.0030.04017.34
5.5.30.0070.06317.36
5.5.20.0200.06317.14
5.5.10.0100.06717.21
5.5.00.0070.04017.19
5.4.450.0000.08019.51
5.4.440.0070.03719.33
5.4.430.0070.07719.58
5.4.420.0130.05719.35
5.4.410.0030.04019.43
5.4.400.0030.03319.16
5.4.390.0000.05319.16
5.4.380.0030.08019.23
5.4.370.0070.03319.18
5.4.360.0030.05319.14
5.4.350.0170.04718.95
5.4.340.0070.06719.00
5.4.320.0030.07719.16
5.4.310.0070.07719.16
5.4.300.0100.05019.14
5.4.290.0170.07019.01
5.4.280.0170.06719.08
5.4.270.0200.06319.16
5.4.260.0000.04319.03
5.4.250.0070.04019.17
5.4.240.0100.06718.94
5.4.230.0030.07719.03
5.4.220.0030.08318.96
5.4.210.0070.03718.94
5.4.200.0030.07719.16
5.4.190.0030.05019.15
5.4.180.0100.07319.02
5.4.170.0030.07719.16
5.4.160.0100.07019.17
5.4.150.0070.07718.99
5.4.140.0070.03716.54
5.4.130.0030.07716.39
5.4.120.0100.06316.59
5.4.110.0000.03316.31
5.4.100.0000.04316.25
5.4.90.0170.04716.26
5.4.80.0100.06716.64
5.4.70.0100.06716.39
5.4.60.0100.05316.42
5.4.50.0030.06016.47
5.4.40.0070.07016.60
5.4.30.0070.07316.32
5.4.20.0000.04316.40
5.4.10.0100.07016.53
5.4.00.0100.06716.04
5.3.290.0130.07014.66
5.3.280.0100.07314.61
5.3.270.0030.07314.62
5.3.260.0030.06714.63
5.3.250.0070.07314.62
5.3.240.0070.06014.61
5.3.230.0070.05314.57
5.3.220.0070.04014.59
5.3.210.0100.07014.57
5.3.200.0070.04714.71
5.3.190.0030.08014.56
5.3.180.0070.07714.69
5.3.170.0030.04014.52
5.3.160.0070.07714.52
5.3.150.0030.06314.70
5.3.140.0000.04314.68
5.3.130.0070.04714.68
5.3.120.0000.08314.77
5.3.110.0030.04714.54
5.3.100.0100.07314.17
5.3.90.0100.06314.04
5.3.80.0070.03714.05
5.3.70.0030.06314.01
5.3.60.0030.06013.97
5.3.50.0100.07013.90
5.3.40.0070.07313.93
5.3.30.0070.06313.75
5.3.20.0130.04713.54
5.3.10.0100.04313.67
5.3.00.0130.07013.64
5.2.170.0070.04312.44
5.2.160.0070.03312.44
5.2.150.0030.06712.44
5.2.140.0000.04712.44
5.2.130.0130.06312.44
5.2.120.0070.05012.44
5.2.110.0100.04712.44
5.2.100.0030.03712.44
5.2.90.0030.06312.44
5.2.80.0030.06312.44
5.2.70.0030.06312.44
5.2.60.0070.05312.44
5.2.50.0030.07712.44
5.2.40.0100.03712.44
5.2.30.0100.04712.44
5.2.20.0070.06012.44
5.2.10.0030.04312.44
5.2.00.0000.05712.44
5.1.60.0030.05312.44
5.1.50.0070.05312.44
5.1.40.0100.04712.44
5.1.30.0070.05312.44
5.1.20.0030.05312.44
5.1.10.0000.04712.44
5.1.00.0100.05312.44
5.0.50.0070.01712.44
5.0.40.0000.03012.44
5.0.30.0030.05012.44
5.0.20.0000.02312.44
5.0.10.0070.03712.44
5.0.00.0030.05012.44
4.4.90.0030.02312.44
4.4.80.0030.03312.44
4.4.70.0000.01712.44
4.4.60.0000.03712.44
4.4.50.0000.03712.44
4.4.40.0030.04012.44
4.4.30.0030.03712.44
4.4.20.0030.03312.44
4.4.10.0000.01712.44
4.4.00.0030.05712.44
4.3.110.0000.01712.44
4.3.100.0030.03312.44
4.3.90.0070.02712.44
4.3.80.0100.05012.44
4.3.70.0070.02712.44
4.3.60.0000.01712.44
4.3.50.0070.03312.44
4.3.40.0070.02012.44
4.3.30.0030.03012.44
4.3.20.0070.02012.44
4.3.10.0030.03312.44
4.3.00.0000.03712.44

preferences:
46.76 ms | 401 KiB | 5 Q