3v4l.org

run code in 300+ PHP versions simultaneously
<?php $truth = "((A^¬B)->C)"; while (strpos($truth, '(') !== false) { preg_match("~^[^(]*\((.*?)\)[^)]*$~", $truth, $str); $truth = $str[1]; echo "$truth\n"; }

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)
8.4.140.0130.01017.45
8.4.130.0100.01018.63
8.4.120.0080.01324.14
8.4.110.0120.00922.29
8.4.100.0150.00720.40
8.4.90.0100.01117.96
8.4.80.0110.00818.30
8.4.70.0060.00218.01
8.4.60.0070.00218.99
8.4.50.0100.01118.05
8.4.40.0040.00419.62
8.4.30.0150.00417.55
8.4.20.0210.00020.76
8.4.10.0160.00319.64
8.3.270.0120.00916.49
8.3.260.0060.00316.48
8.3.250.0110.00818.62
8.3.240.0100.00916.80
8.3.230.0140.00516.63
8.3.220.0110.00717.07
8.3.210.0020.00716.66
8.3.200.0050.00416.46
8.3.190.0100.00816.96
8.3.180.0110.00816.79
8.3.170.0030.01616.71
8.3.160.0060.00316.82
8.3.150.0090.00619.14
8.3.140.0090.00616.33
8.3.130.0080.00018.32
8.3.120.0060.00320.45
8.3.110.0060.00320.94
8.3.100.0040.00424.06
8.3.90.0090.00026.77
8.3.80.0040.00418.32
8.3.70.0060.00916.88
8.3.60.0040.01218.56
8.3.50.0100.00818.30
8.3.40.0110.00418.72
8.3.30.0150.00619.02
8.3.20.0080.00018.98
8.3.10.0070.00023.61
8.3.00.0000.00820.77
8.2.290.0130.00620.80
8.2.280.0130.00818.38
8.2.270.0040.01317.54
8.2.260.0040.01118.87
8.2.250.0060.00318.76
8.2.240.0070.00317.11
8.2.230.0060.00322.58
8.2.220.0090.00037.54
8.2.210.0070.01126.77
8.2.200.0060.00316.63
8.2.190.0090.00617.11
8.2.180.0170.00318.54
8.2.170.0120.00622.96
8.2.160.0030.01022.33
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00820.87
8.2.110.0060.00320.52
8.2.100.0060.00717.84
8.2.90.0040.00419.36
8.2.80.0080.00017.97
8.2.70.0080.00017.93
8.2.60.0080.00018.34
8.2.50.0040.00418.10
8.2.40.0030.00522.12
8.2.30.0050.00219.39
8.2.20.0050.00318.21
8.2.10.0000.00818.27
8.2.00.0050.00318.19
8.1.330.0120.00722.16
8.1.320.0050.00416.48
8.1.310.0120.00616.89
8.1.300.0030.00616.56
8.1.290.0090.00030.84
8.1.280.0070.00725.92
8.1.270.0040.00422.02
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00923.77
8.1.230.0120.00020.85
8.1.220.0040.00417.74
8.1.210.0000.00818.96
8.1.200.0000.00817.47
8.1.190.0030.00617.13
8.1.180.0040.00418.10
8.1.170.0040.00418.73
8.1.160.0030.00518.86
8.1.150.0040.00418.82
8.1.140.0040.00422.09
8.1.130.0030.00319.98
8.1.120.0000.00717.58
8.1.110.0090.00017.56
8.1.100.0000.00717.52
8.1.90.0070.00017.59
8.1.80.0040.00417.55
8.1.70.0040.00417.44
8.1.60.0000.00917.69
8.1.50.0040.00417.51
8.1.40.0030.00617.64
8.1.30.0030.00617.69
8.1.20.0080.00417.66
8.1.10.0000.00817.59
8.1.00.0000.00717.58
8.0.300.0000.00819.93
8.0.290.0040.00416.75
8.0.280.0040.00418.52
8.0.270.0050.00217.23
8.0.260.0040.00418.47
8.0.250.0070.00017.06
8.0.240.0030.00317.12
8.0.230.0000.00717.03
8.0.220.0030.00617.02
8.0.210.0040.00416.91
8.0.200.0000.00817.20
8.0.190.0040.00417.14
8.0.180.0040.00416.95
8.0.170.0000.01017.03
8.0.160.0000.00717.12
8.0.150.0050.00316.97
8.0.140.0070.00016.98
8.0.130.0030.00313.46
8.0.120.0070.00017.00
8.0.110.0000.00717.09
8.0.100.0000.00816.86
8.0.90.0040.00416.89
8.0.80.0160.00317.08
8.0.70.0070.00016.87
8.0.60.0040.00416.96
8.0.50.0000.00816.86
8.0.30.0080.01317.38
8.0.20.0210.00517.43
8.0.10.0080.00016.95
8.0.00.0080.01116.78
7.4.330.0000.00515.55
7.4.320.0030.00316.84
7.4.300.0030.00316.81
7.4.290.0040.00416.79
7.4.280.0060.00316.73
7.4.270.0070.00016.82
7.4.260.0030.00516.84
7.4.250.0000.00716.69
7.4.240.0030.00316.86
7.4.230.0000.00716.80
7.4.220.0000.00816.70
7.4.210.0080.00616.81
7.4.200.0030.00516.68
7.4.160.0110.00716.68
7.4.140.0110.00617.86
7.4.130.0080.00816.84
7.4.120.0100.00816.70
7.4.110.0090.01516.77
7.4.100.0070.01316.59
7.4.90.0110.00816.85
7.4.80.0070.01519.39
7.4.70.0030.01316.82
7.4.60.0080.00816.62
7.4.50.0070.00716.81
7.4.40.0100.00616.82
7.4.10.0100.01015.28
7.4.00.0040.01315.18
7.3.330.0050.00013.24
7.3.320.0000.00513.40
7.3.310.0030.00316.36
7.3.300.0000.00716.51
7.3.290.0030.00316.47
7.3.280.0030.01416.41
7.3.260.0120.00716.71
7.3.240.0120.00716.66
7.3.230.0120.00916.72
7.3.210.0060.01116.56
7.3.200.0070.01016.72
7.3.190.0090.01516.68
7.3.180.0120.00416.62
7.3.170.0150.00616.36
7.3.160.0120.00616.79
7.3.130.0030.01614.95
7.3.120.0100.01015.21
7.3.110.0150.00615.20
7.3.100.0030.01315.09
7.3.90.0030.01314.73
7.3.80.0040.00414.95
7.3.70.0060.00615.09
7.3.60.0030.01615.06
7.3.50.0060.01215.11
7.3.40.0070.00314.89
7.3.30.0100.00015.10
7.3.20.0030.01016.76
7.3.10.0030.01016.72
7.3.00.0050.01016.81
7.2.330.0150.00616.65
7.2.320.0070.01016.56
7.2.310.0100.00716.69
7.2.300.0060.00916.65
7.2.290.0030.01316.87
7.2.260.0070.01015.27
7.2.250.0060.01315.14
7.2.240.0030.01015.17
7.2.230.0030.01015.29
7.2.220.0070.01115.30
7.2.210.0080.00315.30
7.2.200.0130.00014.96
7.2.190.0070.01315.13
7.2.180.0090.00614.88
7.2.170.0030.01015.30
7.2.160.0000.01015.32
7.2.150.0100.00717.13
7.2.140.0000.01817.16
7.2.130.0050.00717.20
7.2.120.0100.00716.88
7.2.110.0040.01016.94
7.2.100.0070.00816.77
7.2.90.0080.00716.98
7.2.80.0120.00416.77
7.2.70.0080.01117.14
7.2.60.0050.01316.85
7.2.50.0100.00616.87
7.2.40.0070.01017.03
7.2.30.0110.00517.00
7.2.20.0050.01116.98
7.2.10.0090.00716.86
7.2.00.0030.01016.98
7.1.330.0030.01016.13
7.1.320.0110.00315.85
7.1.310.0000.01115.83
7.1.300.0000.01316.07
7.1.290.0050.00515.84
7.1.280.0030.01015.99
7.1.270.0080.00415.90
7.1.260.0000.01315.86
7.1.250.0020.01215.90
7.1.240.0040.01015.89
7.1.230.0080.01015.98
7.1.220.0050.00915.87
7.1.210.0090.00615.84
7.1.200.0090.00815.89
7.1.190.0030.01415.87
7.1.180.0080.00515.86
7.1.170.0040.00715.65
7.1.160.0060.00715.85
7.1.150.0060.00815.82
7.1.140.0090.00615.73
7.1.130.0070.00815.65
7.1.120.0090.00515.75
7.1.110.0050.00815.81
7.1.100.0130.00215.86
7.1.90.0090.00615.78
7.1.80.0090.00615.98
7.1.70.0100.00615.74
7.1.60.0040.00815.81
7.1.50.0050.01016.00
7.1.40.0090.00316.02
7.1.30.0060.00615.87
7.1.20.0070.00615.82
7.1.10.0060.00815.79
7.1.00.0050.00716.02
7.0.330.0070.00715.42
7.0.320.0110.00415.48
7.0.310.0040.01115.58
7.0.300.0030.01315.72
7.0.290.0030.00915.21
7.0.280.0060.00615.71
7.0.270.0060.01215.55
7.0.260.0040.01115.45
7.0.250.0080.00615.60
7.0.240.0100.00715.49
7.0.230.0040.00715.71
7.0.220.0090.00315.59
7.0.210.0080.00415.69
7.0.200.0080.00315.66
7.0.190.0000.01115.65
7.0.180.0030.00715.59
7.0.170.0060.00615.58
7.0.160.0060.00315.33
7.0.150.0030.01215.44
7.0.140.0030.00715.77
7.0.130.0090.00615.86
7.0.120.0000.00915.72
7.0.110.0030.01315.54
7.0.100.0000.01415.68
7.0.90.0070.00715.70
7.0.80.0080.00815.54
7.0.70.0040.00715.69
7.0.60.0040.00715.87
7.0.50.0100.00315.77
7.0.40.0040.01213.57
7.0.30.0030.00913.65
7.0.20.0060.00313.69
7.0.10.0130.00013.66
7.0.00.0000.00913.69
5.6.400.0030.01314.67
5.6.390.0030.00614.43
5.6.380.0060.00814.60
5.6.370.0070.00314.70
5.6.360.0060.00614.41
5.6.350.0070.01014.74
5.6.340.0090.00314.34
5.6.330.0060.00914.11
5.6.320.0090.00614.89
5.6.310.0070.01014.68
5.6.300.0030.00614.57
5.6.290.0080.00314.66
5.6.280.0090.00014.47
5.6.270.0040.00714.29
5.6.260.0070.00714.21
5.6.250.0100.00314.77
5.6.240.0040.01414.43
5.6.230.0000.01014.36
5.6.220.0030.00714.31
5.6.210.0040.01114.76
5.6.200.0030.01114.69
5.6.190.0040.00814.25
5.6.180.0030.01014.42
5.6.170.0060.01014.42
5.6.160.0070.00414.45
5.6.150.0040.00814.41
5.6.140.0000.01614.50
5.6.130.0070.00714.59
5.6.120.0070.00714.40
5.6.110.0040.00814.40
5.6.100.0000.01114.51
5.6.90.0000.01414.54
5.6.80.0060.00914.52
5.6.70.0070.01014.32
5.6.60.0000.01514.36
5.6.50.0000.01114.45
5.6.40.0000.01514.44
5.6.30.0000.01314.27
5.6.20.0130.00014.36
5.6.10.0090.00614.35
5.6.00.0120.00314.31

preferences:
31.25 ms | 403 KiB | 5 Q