3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match("/((X))+/", 'X', $matches)); var_dump(preg_match("/((X))+/", str_repeat('X', 1024), $matches));

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)
8.3.60.0170.00018.81
8.3.50.0070.00718.18
8.3.40.0140.00418.73
8.3.30.0150.00318.73
8.3.20.0040.00420.21
8.3.10.0040.00420.57
8.3.00.0040.00421.73
8.2.180.0070.01116.50
8.2.170.0070.00722.96
8.2.160.0070.00722.36
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00419.33
8.2.120.0000.00726.35
8.2.110.0100.00022.24
8.2.100.0040.00817.72
8.2.90.0040.00419.13
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0050.00317.80
8.2.50.0040.00418.09
8.2.40.0040.00420.56
8.2.30.0040.00419.30
8.2.20.0080.00017.82
8.2.10.0080.00018.00
8.2.00.0000.01017.87
8.1.280.0110.00425.92
8.1.270.0070.01122.15
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00323.89
8.1.230.0080.00420.80
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0100.00017.35
8.1.190.0000.00917.35
8.1.180.0050.00318.10
8.1.170.0000.00818.77
8.1.160.0000.00820.67
8.1.150.0100.00018.84
8.1.140.0040.00419.53
8.1.130.0040.00417.64
8.1.120.0000.00717.45
8.1.110.0030.00317.47
8.1.100.0000.00717.54
8.1.90.0080.00017.52
8.1.80.0000.00817.43
8.1.70.0070.00017.42
8.1.60.0000.01017.61
8.1.50.0090.00017.63
8.1.40.0040.00417.58
8.1.30.0080.00017.65
8.1.20.0000.00717.49
8.1.10.0040.00417.61
8.1.00.0020.00517.54
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.39
8.0.270.0030.00317.18
8.0.260.0000.00717.11
8.0.250.0000.00716.91
8.0.240.0040.00417.00
8.0.230.0030.00317.03
8.0.220.0070.00016.97
8.0.210.0070.00016.97
8.0.200.0030.00716.98
8.0.190.0000.00716.89
8.0.180.0050.00516.98
8.0.170.0040.00416.87
8.0.160.0000.00716.91
8.0.150.0040.00416.91
8.0.140.0050.00316.86
8.0.130.0050.00013.41
8.0.120.0030.00616.92
8.0.110.0040.00416.92
8.0.100.0000.00716.77
8.0.90.0040.00416.84
8.0.80.0110.01116.90
8.0.70.0020.00516.87
8.0.60.0050.00316.91
8.0.50.0070.00016.86
8.0.30.0110.00817.33
8.0.20.0080.01117.42
8.0.10.0000.00816.94
8.0.00.0140.00516.87
7.4.330.0000.00516.86
7.4.320.0050.00216.63
7.4.300.0080.00016.60
7.4.290.0000.00716.58
7.4.280.0040.00416.62
7.4.270.0030.00316.75
7.4.260.0070.00016.62
7.4.250.0070.00016.57
7.4.240.0040.00416.63
7.4.230.0030.00316.57
7.4.220.0040.01716.73
7.4.210.0150.00316.59
7.4.200.0000.00716.47
7.4.160.0100.00716.66
7.4.150.0030.01417.40
7.4.140.0100.00717.86
7.4.130.0140.00616.54
7.4.120.0090.00716.53
7.4.110.0000.01716.71
7.4.100.0100.01316.59
7.4.90.0140.00316.58
7.4.80.0140.00319.39
7.4.70.0040.01216.67
7.4.60.0070.01016.66
7.4.50.0070.01116.64
7.4.40.0110.00416.48
7.4.30.0110.01216.59
7.4.10.0040.00714.75
7.4.00.0060.01114.92
7.3.330.0060.00013.22
7.3.320.0000.00613.07
7.3.310.0000.00716.29
7.3.300.0030.00316.37
7.3.290.0050.01216.30
7.3.280.0080.00916.31
7.3.270.0090.00917.40
7.3.260.0090.01416.65
7.3.250.0120.00716.47
7.3.240.0110.00816.51
7.3.230.0090.01216.59
7.3.210.0110.00616.56
7.3.200.0080.00916.53
7.3.190.0090.00616.52
7.3.180.0130.00316.53
7.3.170.0100.00816.40
7.3.160.0060.00916.45
7.3.130.0110.00314.84
7.3.120.0090.00514.97
7.3.110.0070.01114.88
7.3.100.0110.00614.82
7.3.90.0050.01114.81
7.3.80.0030.01115.01
7.3.70.0020.01214.87
7.3.60.0040.01214.78
7.3.50.0050.00514.76
7.3.40.0050.00714.84
7.3.30.0060.00514.70
7.3.20.0030.01116.72
7.3.10.0050.01116.64
7.3.00.0060.00916.81
7.2.330.0080.00816.59
7.2.320.0070.01016.71
7.2.310.0080.00816.72
7.2.300.0140.00516.51
7.2.290.0030.01316.70
7.2.260.0070.00715.04
7.2.250.0080.01015.08
7.2.240.0050.01015.13
7.2.230.0070.00814.95
7.2.220.0030.01014.84
7.2.210.0090.00315.11
7.2.200.0050.01015.06
7.2.190.0050.01014.96
7.2.180.0060.00615.02
7.2.170.0060.00614.96
7.2.160.0070.00414.83
7.2.150.0030.01016.89
7.2.140.0070.01017.04
7.2.130.0020.01316.91
7.2.120.0080.00316.76
7.2.110.0050.01016.83
7.2.100.0050.00816.69
7.2.90.0070.00816.76
7.2.80.0090.00616.72
7.2.70.0130.00316.82
7.2.60.0080.00716.95
7.2.50.0030.01116.81
7.2.40.0050.01016.92
7.2.30.0070.00716.72
7.2.20.0090.00817.00
7.2.10.0050.00716.91
7.2.00.0060.00617.67
7.1.330.0110.00315.58
7.1.320.0030.01115.83
7.1.310.0060.00616.03
7.1.300.0060.00615.78
7.1.290.0060.00716.02
7.1.280.0060.00815.97
7.1.270.0090.00416.01
7.1.260.0020.01215.64
7.1.250.0050.00715.98
7.1.240.0050.00615.82
7.1.230.0060.00415.89
7.1.220.0050.01015.90
7.1.210.0030.00815.85
7.1.200.0060.00715.90
7.1.190.0050.00815.81
7.1.180.0080.00615.90
7.1.170.0040.01215.78
7.1.160.0030.00815.96
7.1.150.0040.00915.66
7.1.140.0090.00515.99
7.1.130.0090.00515.77
7.1.120.0040.00415.90
7.1.110.0060.00615.78
7.1.100.0040.01016.67
7.1.90.0020.01015.96
7.1.80.0070.00715.91
7.1.70.0050.00816.19
7.1.60.0060.01017.03
7.1.50.0070.00916.16
7.1.40.0050.00915.95
7.1.30.0040.01015.81
7.1.20.0060.00715.87
7.1.10.0070.00515.80
7.1.00.0050.03017.96
7.0.330.0050.00715.23
7.0.320.0080.00615.29
7.0.310.0070.00515.59
7.0.300.0050.00715.25
7.0.290.0030.01215.46
7.0.280.0070.00615.39
7.0.270.0050.00915.55
7.0.260.0030.01015.25
7.0.250.0060.00615.43
7.0.240.0060.00915.52
7.0.230.0050.00515.50
7.0.220.0070.00715.53
7.0.210.0050.00815.56
7.0.200.0070.00815.30
7.0.190.0040.00815.29
7.0.180.0030.00815.44
7.0.170.0090.00315.55
7.0.160.0040.00915.30
7.0.150.0050.00415.40
7.0.140.0060.00815.29
7.0.130.0030.00715.40
7.0.120.0060.00515.54
7.0.110.0050.00615.47
7.0.100.0020.01115.43
7.0.90.0080.00815.41
7.0.80.0070.00415.47
7.0.70.0110.00515.45
7.0.60.0100.02917.54
7.0.50.0080.02816.33
7.0.40.0080.02615.68
7.0.30.0170.03015.78
7.0.20.0080.02215.67
7.0.10.0060.03315.74
7.0.00.0050.02515.80
5.6.400.0110.00315.84
5.6.390.0080.00615.51
5.6.380.0070.01015.73
5.6.370.0110.00415.50
5.6.360.0030.01215.69
5.6.350.0050.01115.78
5.6.340.0030.01315.80
5.6.330.0070.01016.04
5.6.320.0090.00715.90
5.6.310.0090.00515.91
5.6.300.0040.01115.40
5.6.290.0060.00915.79
5.6.280.0090.02117.85
5.6.270.0080.00815.74
5.6.260.0060.00915.99
5.6.250.0080.00815.63
5.6.240.0120.00515.67
5.6.230.0110.00615.82
5.6.220.0070.00715.80
5.6.210.0080.03517.75
5.6.200.0020.02317.10
5.6.190.0090.03217.91
5.6.180.0140.02617.67
5.6.170.0130.02417.88
5.6.160.0120.01817.74
5.6.150.0080.02017.05
5.6.140.0110.03017.16
5.6.130.0110.02417.03
5.6.120.0070.03117.88
5.6.110.0080.01717.99
5.6.100.0080.02417.96
5.6.90.0060.02917.85
5.6.80.0120.02717.81
5.6.70.0060.00715.47
5.6.60.0060.00815.57
5.6.50.0060.00815.70
5.6.40.0080.00515.85
5.6.30.0090.00515.56
5.6.20.0020.01315.73
5.6.10.0040.00715.67
5.6.00.0070.01015.74
5.5.380.0100.00515.71
5.5.370.0070.00515.63
5.5.360.0120.00215.71
5.5.350.0190.02617.73
5.5.340.0080.02816.89
5.5.330.0010.02417.65
5.5.320.0210.02617.62
5.5.310.0100.03117.75
5.5.300.0090.03216.86
5.5.290.0040.03216.96
5.5.280.0070.03017.69
5.5.270.0060.02517.86
5.5.260.0080.02917.64
5.5.250.0070.03217.56
5.5.240.0070.02717.68
5.5.230.0080.00515.49
5.5.220.0100.00515.56
5.5.210.0060.00615.70
5.5.200.0050.00715.58
5.5.190.0040.00715.51
5.5.180.0020.01115.56
5.5.170.0060.00915.54
5.5.160.0070.01115.49
5.5.150.0120.00515.52
5.5.140.0090.00315.60
5.5.130.0070.00515.46
5.5.120.0110.00715.54
5.5.110.0090.00915.66
5.5.100.0020.01215.51
5.5.90.0070.00815.41
5.5.80.0050.00915.60
5.5.70.0050.00515.78
5.5.60.0020.01215.46
5.5.50.0100.00615.64
5.5.40.0090.00915.62
5.5.30.0060.00615.49
5.5.20.0050.01115.29
5.5.10.0060.00815.52
5.5.00.0110.00515.48

preferences:
46.67 ms | 400 KiB | 5 Q