3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'aaaaáéóú'; // ISO-8859-1 var_dump(mb_detect_encoding($str, 'ASCII', 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)
8.3.70.0100.01018.43
8.3.60.0070.01018.43
8.3.50.0160.00522.92
8.3.40.0150.00618.63
8.3.30.0080.00818.53
8.3.20.0030.00321.60
8.3.10.0050.00520.41
8.3.00.0060.00322.10
8.2.190.0070.00716.58
8.2.180.0140.00716.50
8.2.170.0110.00322.96
8.2.160.0030.01022.14
8.2.150.0050.00224.18
8.2.140.0060.00324.66
8.2.130.0080.00019.39
8.2.120.0110.00426.35
8.2.110.0060.00320.52
8.2.100.0040.00817.78
8.2.90.0040.00419.13
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0000.00817.93
8.2.50.0050.00318.10
8.2.40.0040.00420.41
8.2.30.0040.00419.15
8.2.20.0040.00417.92
8.2.10.0000.00817.96
8.2.00.0060.00317.73
8.1.280.0170.00025.92
8.1.270.0070.00023.82
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0000.00921.84
8.1.230.0060.00620.84
8.1.220.0030.00618.58
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0040.00418.59
8.1.160.0040.00418.93
8.1.150.0040.00422.05
8.1.140.0040.00419.47
8.1.130.0000.00619.11
8.1.120.0040.00417.46
8.1.110.0080.00017.48
8.1.100.0060.00317.46
8.1.90.0040.00417.34
8.1.80.0040.00417.44
8.1.70.0070.00017.36
8.1.60.0040.00417.56
8.1.50.0000.00817.54
8.1.40.0040.00417.51
8.1.30.0030.00617.54
8.1.20.0050.00217.70
8.1.10.0020.00517.39
8.1.00.0030.00617.32
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0040.00418.43
8.0.270.0000.00717.11
8.0.260.0060.00017.25
8.0.250.0030.00316.96
8.0.240.0000.00716.89
8.0.230.0070.00016.88
8.0.220.0050.00216.81
8.0.210.0000.00616.86
8.0.200.0030.00616.83
8.0.190.0040.00416.95
8.0.180.0050.00316.79
8.0.170.0000.00716.90
8.0.160.0070.00016.92
8.0.150.0030.00316.82
8.0.140.0020.00516.90
8.0.130.0030.00313.31
8.0.120.0040.00416.73
8.0.110.0000.00816.92
8.0.100.0040.00416.87
8.0.90.0040.00316.93
8.0.80.0060.01016.80
8.0.70.0050.00216.82
8.0.60.0040.00416.98
8.0.50.0000.00816.91
8.0.30.0110.00916.99
8.0.20.0070.01217.40
8.0.10.0000.00716.88
8.0.00.0100.01016.79
7.4.330.0060.00015.55
7.4.320.0040.00416.44
7.4.300.0030.00316.40
7.4.290.0000.00716.51
7.4.280.0000.00916.43
7.4.270.0070.00016.35
7.4.260.0000.00716.46
7.4.250.0070.00016.44
7.4.240.0070.00016.45
7.4.230.0000.00716.54
7.4.220.0130.00416.35
7.4.210.0080.01216.41
7.4.200.0000.00716.36
7.4.160.0030.01616.46
7.4.150.0110.00717.40
7.4.140.0080.01017.86
7.4.130.0100.00716.31
7.4.120.0100.00716.32
7.4.110.0100.00716.43
7.4.100.0140.01016.51
7.4.90.0090.00916.54
7.4.80.0080.00819.39
7.4.70.0080.00816.37
7.4.60.0070.00716.30
7.4.50.0070.00716.35
7.4.40.0100.01316.47
7.4.30.0070.01016.45
7.4.00.0070.01114.98
7.3.330.0030.00312.89
7.3.320.0000.00512.87
7.3.310.0000.00716.12
7.3.300.0040.00416.14
7.3.290.0030.00316.13
7.3.280.0110.00916.11
7.3.270.0100.01317.40
7.3.260.0070.01116.43
7.3.250.0130.00316.12
7.3.240.0110.01016.31
7.3.230.0060.01216.47
7.3.210.0100.00616.24
7.3.200.0120.00916.22
7.3.190.0060.00916.09
7.3.180.0030.01316.18
7.3.170.0140.00716.43
7.3.160.0090.01116.08
7.3.120.0080.01114.75
7.3.110.0060.00814.76
7.3.100.0020.01514.83
7.3.90.0040.00714.72
7.3.80.0050.00814.26
7.3.70.0030.01014.54
7.3.60.0060.00714.48
7.3.50.0080.00614.65
7.3.40.0050.00714.68
7.3.30.0080.00714.59
7.3.20.0050.00816.33
7.3.10.0080.00916.40
7.3.00.0080.00716.42
7.2.330.0070.01116.62
7.2.320.0170.00016.55
7.2.310.0060.00916.56
7.2.300.0140.00516.09
7.2.290.0030.01416.49
7.2.250.0070.01214.76
7.2.240.0110.00714.96
7.2.230.0050.00814.92
7.2.220.0050.00814.89
7.2.210.0100.00615.07
7.2.200.0030.01114.75
7.2.190.0050.00514.72
7.2.180.0050.00914.74
7.2.170.0050.00914.99
7.2.130.0080.00616.70
7.2.120.0070.00516.65
7.2.110.0060.00816.67
7.2.100.0070.00316.59
7.2.90.0040.00716.74
7.2.80.0070.00916.74
7.2.70.0090.00616.73
7.2.60.0060.00716.59
7.2.50.0030.01016.66
7.2.40.0120.00316.71
7.2.30.0080.00516.72
7.2.20.0070.00716.75
7.2.10.0080.00516.65
7.2.00.0050.00917.55
7.1.330.0000.01515.70
7.1.320.0080.00715.69
7.1.310.0020.01215.66
7.1.300.0050.00915.69
7.1.290.0050.00915.71
7.1.280.0030.00715.61
7.1.270.0030.01015.67
7.1.260.0060.00815.69
7.1.250.0040.00715.54
7.1.240.0050.00515.75
7.1.230.0060.00915.40
7.1.220.0000.00915.96
7.1.210.0090.00615.71
7.1.200.0030.00615.54
7.1.190.0000.00815.79
7.1.180.0090.00015.69
7.1.170.0040.00415.53
7.1.160.0100.00015.95
7.1.150.0090.00315.87
7.1.140.0030.01015.79
7.1.130.0080.00415.85
7.1.120.0030.00715.77
7.1.110.0100.00015.74
7.1.100.0030.00717.01
7.1.90.0030.00715.63
7.1.80.0030.01015.68
7.1.70.0030.00716.41
7.1.60.0060.00416.54
7.1.50.0130.00725.35
7.1.40.0030.01015.96
7.1.30.0030.00715.63
7.1.20.0030.00915.45
7.1.10.0100.03118.80
7.1.00.0070.03519.08
7.0.330.0040.00415.25
7.0.320.0030.00615.45
7.0.310.0060.00615.50
7.0.300.0070.00315.56
7.0.290.0070.00315.14
7.0.280.0000.01115.43
7.0.270.0100.00014.97
7.0.260.0000.00715.36
7.0.250.0000.00715.30
7.0.240.0060.00615.09
7.0.230.0060.00615.27
7.0.220.0060.00315.35
7.0.210.0000.01315.58
7.0.200.0050.00815.89
7.0.190.0050.00515.40
7.0.180.0060.00315.38
7.0.170.0090.00015.10
7.0.160.0000.01215.38
7.0.150.0020.03418.63
7.0.140.0100.03018.56
7.0.130.0060.03018.44
7.0.120.0120.02818.65
7.0.110.0000.05218.44
7.0.100.0100.03018.69
7.0.90.0070.03418.44
7.0.80.0100.02718.55
7.0.70.0050.03218.54
7.0.60.0120.02518.68
7.0.50.0030.03418.67
7.0.40.0030.03117.50
7.0.30.0080.02817.76
7.0.20.0080.02917.49
7.0.10.0090.02517.64
7.0.00.0070.03117.62
5.6.380.0040.00814.50

preferences:
95.48 ms | 401 KiB | 5 Q