3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'fdfqsdfqsdf%A%2%B%4%C%D%7sddsdfsdf'; $res = preg_replace_callback(',%.?,', function (array $matches) { if (preg_match(',%\d+,', $matches[0])) { return 'FOO'; } }, $str); echo $res; $res = preg_replace_callback(',%\d+?,', function (array $matches) { return 'FOO'; }, $str); echo $res;

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)
8.3.60.0150.00618.43
8.3.50.0090.00619.86
8.3.40.0120.00318.86
8.3.30.0100.00718.79
8.3.20.0040.00420.34
8.3.10.0040.00421.85
8.3.00.0060.00320.68
8.2.180.0070.00718.54
8.2.170.0040.01122.96
8.2.160.0030.01019.34
8.2.150.0120.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00720.48
8.2.120.0040.00426.35
8.2.110.0140.00721.25
8.2.100.0070.00417.84
8.2.90.0040.00419.34
8.2.80.0080.00017.97
8.2.70.0000.00817.88
8.2.60.0050.00318.93
8.2.50.0040.00418.10
8.2.40.0040.00420.52
8.2.30.0080.00019.24
8.2.20.0040.00417.79
8.2.10.0040.00418.08
8.2.00.0070.00018.03
8.1.280.0000.01425.92
8.1.270.0030.00623.92
8.1.260.0060.00328.09
8.1.250.0040.00428.09
8.1.240.0140.00423.85
8.1.230.0120.00022.66
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.60
8.1.190.0030.00517.35
8.1.180.0000.00818.10
8.1.170.0070.00318.73
8.1.160.0110.00019.07
8.1.150.0040.00418.84
8.1.140.0000.00719.54
8.1.130.0030.00317.78
8.1.120.0000.00717.65
8.1.110.0000.00717.59
8.1.100.0040.00417.63
8.1.90.0040.00417.64
8.1.80.0000.00817.54
8.1.70.0050.00217.55
8.1.60.0050.00317.80
8.1.50.0040.00417.65
8.1.40.0040.00417.67
8.1.30.0050.00517.67
8.1.20.0050.00217.79
8.1.10.0040.00417.64
8.1.00.0040.00417.56
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0000.00718.48
8.0.270.0030.00317.29
8.0.260.0070.00017.29
8.0.250.0070.00017.12
8.0.240.0070.00016.98
8.0.230.0000.00717.07
8.0.220.0000.00716.89
8.0.210.0000.00716.90
8.0.200.0040.00416.99
8.0.190.0030.00617.09
8.0.180.0080.00017.06
8.0.170.0030.00516.96
8.0.160.0040.00417.01
8.0.150.0040.00416.93
8.0.140.0040.00416.93
8.0.130.0000.00613.52
8.0.120.0030.00516.95
8.0.110.0020.00517.07
8.0.100.0050.00216.90
8.0.90.0000.00816.95
8.0.80.0130.01017.10
8.0.70.0080.00017.00
8.0.60.0080.00017.11
8.0.50.0040.00417.11
8.0.30.0130.00617.40
8.0.20.0120.01017.40
8.0.10.0050.00317.00
8.0.00.0090.00916.97
7.4.330.0000.00515.08
7.4.320.0060.00016.80
7.4.300.0000.00716.84
7.4.290.0030.00516.82
7.4.280.0030.00516.79
7.4.270.0040.00416.66
7.4.260.0070.00016.84
7.4.250.0050.00216.80
7.4.240.0030.00316.88
7.4.230.0000.00816.85
7.4.220.0100.01016.80
7.4.210.0040.01016.72
7.4.200.0070.00016.64
7.4.160.0090.00916.91
7.4.150.0130.00317.40
7.4.140.0110.00617.86
7.4.130.0130.00716.83
7.4.120.0120.00916.68
7.4.110.0100.00716.48
7.4.100.0100.00716.56
7.4.90.0110.00616.75
7.4.80.0060.01619.39
7.4.70.0090.01216.93
7.4.60.0030.01316.75
7.4.50.0060.01216.57
7.4.40.0070.01016.66
7.4.30.0110.00616.82
7.4.10.0060.01315.36
7.4.00.0050.01315.28
7.3.330.0030.00313.37
7.3.320.0000.00613.48
7.3.310.0030.00316.65
7.3.300.0000.00816.49
7.3.290.0000.00716.52
7.3.280.0050.01016.45
7.3.270.0130.00717.40
7.3.260.0100.01416.57
7.3.250.0080.01116.58
7.3.240.0110.00616.58
7.3.230.0100.00616.53
7.3.210.0060.01116.45
7.3.200.0070.00716.47
7.3.190.0030.01316.61
7.3.180.0140.00316.46
7.3.170.0130.00316.52
7.3.160.0070.01416.54
7.3.130.0070.00714.74
7.3.120.0070.01115.11
7.3.110.0050.01415.14
7.3.100.0080.00815.03
7.3.90.0040.00914.76
7.3.80.0100.00515.08
7.3.70.0070.00714.95
7.3.60.0080.00714.80
7.3.50.0030.00615.10
7.3.40.0080.00814.89
7.3.30.0070.00614.81
7.3.20.0090.00516.77
7.3.10.0070.00516.66
7.3.00.0070.00816.75
7.2.330.0060.01616.71
7.2.320.0070.01416.91
7.2.310.0030.01316.85
7.2.300.0100.00716.66
7.2.290.0130.01716.87
7.2.260.0060.01215.18
7.2.250.0050.01115.22
7.2.240.0090.00915.19
7.2.230.0070.00815.24
7.2.220.0080.00915.21
7.2.210.0070.00515.18
7.2.200.0050.00715.31
7.2.190.0090.00515.24
7.2.180.0020.00815.17
7.2.170.0060.01015.20
7.2.160.0100.00015.21
7.2.150.0080.00416.96
7.2.140.0140.00416.97
7.2.130.0110.00316.91
7.2.120.0070.00716.93
7.2.110.0020.01216.92
7.2.100.0070.00716.81
7.2.90.0090.00617.11
7.2.80.0060.01017.05
7.2.70.0060.00716.55
7.2.60.0020.01216.96
7.2.50.0110.00316.59
7.2.40.0070.01116.74
7.2.30.0070.00716.64
7.2.20.0030.00916.98
7.2.10.0110.00416.89
7.2.00.0040.00718.41
7.1.330.0000.01315.89
7.1.320.0110.00515.93
7.1.310.0030.01215.80
7.1.300.0070.00415.63
7.1.290.0040.01015.96
7.1.280.0110.00315.64
7.1.270.0140.00215.98
7.1.260.0100.00315.93
7.1.250.0100.00315.68
7.1.240.0000.01415.95
7.1.230.0030.01015.60
7.1.220.0050.00515.84
7.1.210.0040.00715.91
7.1.200.0120.00515.81
7.1.190.0000.01115.94
7.1.180.0090.00615.76
7.1.170.0000.01015.73
7.1.160.0070.00716.09
7.1.150.0000.00815.68
7.1.140.0080.00415.87
7.1.130.0070.00715.88
7.1.120.0060.00915.68
7.1.110.0090.00615.83
7.1.100.0060.00915.74
7.1.90.0090.00315.57
7.1.80.0080.00616.12
7.1.70.0030.00916.25
7.1.60.0050.00917.78
7.1.50.0030.01015.86
7.1.40.0070.00415.98
7.1.30.0000.01215.78
7.1.20.0070.00715.90
7.1.10.0030.00915.96
7.1.00.0080.04019.20
7.0.330.0000.01315.14
7.0.320.0000.01315.14
7.0.310.0000.01515.45
7.0.300.0080.00415.13
7.0.290.0140.00014.99
7.0.280.0030.01015.54
7.0.270.0000.01215.38
7.0.260.0030.00715.43
7.0.250.0070.00315.74
7.0.240.0030.01215.55
7.0.230.0040.01115.19
7.0.220.0120.00315.46
7.0.210.0000.01515.32
7.0.200.0250.00415.21
7.0.190.0080.00315.33
7.0.180.0000.01415.13
7.0.170.0030.01015.58
7.0.160.0060.00615.56
7.0.150.0000.01115.43
7.0.140.0030.01015.43
7.0.130.0040.00415.64
7.0.120.0030.00715.65
7.0.110.0030.00915.39
7.0.100.0000.01315.65
7.0.90.0110.00015.53
7.0.80.0070.00715.47
7.0.70.0160.04417.81
7.0.60.0190.03217.71
7.0.50.0180.02818.05
7.0.40.0120.03216.97
7.0.30.0070.03817.00
7.0.20.0170.03116.95
7.0.10.0080.03616.99
7.0.00.0100.03416.87
5.6.400.0050.00814.22
5.6.390.0060.00914.32
5.6.380.0000.01114.04
5.6.370.0040.00714.38
5.6.360.0030.01214.36
5.6.350.0040.00813.91
5.6.340.0040.00814.19
5.6.330.0090.00614.47
5.6.320.0000.01314.13
5.6.310.0000.01614.19
5.6.300.0000.01214.23
5.6.290.0070.00314.27
5.6.280.0050.03517.66
5.6.270.0030.00714.54
5.6.260.0000.00914.38
5.6.250.0070.00714.47
5.6.240.0100.00314.66
5.6.230.0070.00714.64
5.6.220.0130.03317.58
5.6.210.0080.03717.51
5.6.200.0120.03317.83
5.6.190.0130.03317.63
5.6.180.0140.03717.73
5.6.170.0150.03717.69
5.6.160.0120.03717.82
5.6.150.0120.03317.70
5.6.140.0080.03417.79
5.6.130.0120.03417.77
5.6.120.0180.03317.70
5.6.110.0130.04317.74
5.6.100.0180.03417.91
5.6.90.0270.04317.71
5.6.80.0240.04317.43
5.6.70.0120.03917.50
5.6.60.0180.04017.25
5.6.50.0080.04017.33
5.6.40.0230.03117.58
5.6.30.0150.03417.33
5.6.20.0130.03317.49
5.6.10.0150.03017.30
5.6.00.0200.03317.39
5.5.380.0090.00614.21
5.5.370.0000.00814.62
5.5.360.0130.02917.32
5.5.350.0150.03017.41
5.5.340.0130.03317.51
5.5.330.0180.02717.81
5.5.320.0080.03817.66
5.5.310.0250.03217.48
5.5.300.0070.03117.70
5.5.290.0130.03017.58
5.5.280.0150.04217.64
5.5.270.0140.03917.63
5.5.260.0100.04317.56
5.5.250.0310.03917.61
5.5.240.0220.03017.32
5.5.230.0130.04017.38
5.5.220.0170.03717.31
5.5.210.0200.02817.30
5.5.200.0110.03317.16
5.5.190.0750.03017.16
5.5.180.0170.03517.34
5.5.170.0000.01314.27
5.5.160.0100.03817.13
5.5.150.0230.02817.36
5.5.140.0350.03517.33
5.5.130.0570.04517.29
5.5.120.0150.04317.37
5.5.110.0040.04417.27
5.5.100.0140.03117.16
5.5.90.0140.03217.05
5.5.80.0160.03217.11
5.5.70.0220.03417.05
5.5.60.0220.03217.09
5.5.50.0140.04117.27
5.5.40.0080.04617.04
5.5.30.0120.03817.07
5.5.20.0190.03017.11
5.5.10.0120.03417.16
5.5.00.0080.04317.35

preferences:
46.18 ms | 400 KiB | 5 Q