3v4l.org

run code in 300+ PHP versions simultaneously
<?php //mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; mb_substitute_character('none'); $originalValue = $value; var_dump(mb_detect_encoding($value, mb_detect_order())); $value = mb_convert_encoding($value, 'UTF-8'); var_dump($value, mb_strlen($value, 'UTF-8'), mb_strlen($originalValue));

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)
8.3.60.0110.00316.62
8.3.50.0100.01021.13
8.3.40.0070.00718.46
8.3.30.0030.01019.13
8.3.20.0100.00720.01
8.3.10.0040.00423.43
8.3.00.0030.00619.38
8.2.180.0070.01118.29
8.2.170.0090.00622.96
8.2.160.0030.01020.40
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0000.00722.26
8.2.110.0040.00422.19
8.2.100.0110.00017.66
8.2.90.0070.00019.27
8.2.80.0030.00617.97
8.2.70.0090.00017.63
8.2.60.0080.00018.04
8.2.50.0030.00618.07
8.2.40.0030.00619.95
8.2.30.0000.00818.04
8.2.20.0040.00417.68
8.2.10.0080.00018.11
8.2.00.0100.00017.80
8.1.280.0040.01125.92
8.1.270.0040.00423.88
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0070.00323.88
8.1.230.0060.00619.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0090.00017.25
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0050.00318.42
8.1.160.0030.00522.01
8.1.150.0040.00418.63
8.1.140.0040.00417.51
8.1.130.0030.00317.82
8.1.120.0040.00417.42
8.1.110.0040.00417.36
8.1.100.0000.00817.37
8.1.90.0040.00417.47
8.1.80.0000.00817.35
8.1.70.0000.00717.41
8.1.60.0000.00717.46
8.1.50.0020.00517.53
8.1.40.0000.00717.42
8.1.30.0040.00417.66
8.1.20.0070.00017.62
8.1.10.0000.00817.40
8.1.00.0060.00317.47
8.0.300.0070.00018.77
8.0.290.0000.00817.05
8.0.280.0030.00318.44
8.0.270.0070.00017.25
8.0.260.0000.00617.20
8.0.250.0030.00316.91
8.0.240.0030.00516.82
8.0.230.0030.00316.88
8.0.220.0070.00016.86
8.0.210.0040.00416.80
8.0.200.0030.00316.96
8.0.190.0000.00716.84
8.0.180.0030.00516.90
8.0.170.0050.00316.95
8.0.160.0080.00016.76
8.0.150.0030.00716.83
8.0.140.0000.00916.82
8.0.130.0000.00613.30
8.0.120.0000.00816.79
8.0.110.0000.00816.88
8.0.100.0000.00816.91
8.0.90.0000.00816.88
8.0.80.0070.01016.77
8.0.70.0000.00817.00
8.0.60.0000.00716.78
8.0.50.0040.00416.87
8.0.30.0120.00617.11
8.0.20.0040.01417.40
8.0.10.0000.00716.73
8.0.00.0040.01316.74
7.4.330.0000.00515.00
7.4.320.0000.00816.50
7.4.300.0060.00016.66
7.4.290.0000.00716.47
7.4.280.0030.00316.60
7.4.270.0000.00816.50
7.4.260.0030.00316.48
7.4.250.0040.00416.52
7.4.240.0030.00316.59
7.4.230.0030.00316.41
7.4.220.0060.01216.55
7.4.210.0060.01116.61
7.4.200.0070.00016.54
7.4.190.0070.00016.50
7.4.160.0130.00316.51
7.4.150.0120.00617.40
7.4.140.0140.00417.86
7.4.130.0120.00716.45
7.4.120.0110.00616.47
7.4.110.0130.00416.28
7.4.100.0120.00616.57
7.4.90.0090.00916.49
7.4.80.0060.01619.39
7.4.70.0070.01016.32
7.4.60.0070.01016.18
7.4.50.0060.00316.40
7.4.40.0040.01216.48
7.4.30.0060.01216.46
7.4.00.0070.00915.05
7.3.330.0050.00213.00
7.3.320.0030.00313.14
7.3.310.0030.00316.34
7.3.300.0070.00016.30
7.3.290.0030.01016.31
7.3.280.0040.01416.21
7.3.270.0110.00717.40
7.3.260.0100.00616.49
7.3.250.0120.00616.52
7.3.240.0030.01616.18
7.3.230.0070.01016.39
7.3.210.0100.00716.57
7.3.200.0070.01019.39
7.3.190.0030.01916.52
7.3.180.0040.01116.16
7.3.170.0090.00616.38
7.3.160.0070.01116.18
7.3.120.0080.00714.84
7.3.110.0090.00914.84
7.3.100.0070.00714.39
7.3.90.0100.01014.66
7.3.80.0040.00814.87
7.3.70.0080.00014.49
7.3.60.0000.00914.91
7.3.50.0040.01114.41
7.3.40.0040.00814.73
7.3.30.0080.00414.68
7.3.20.0070.00716.42
7.3.10.0030.01016.48
7.3.00.0130.00016.39
7.2.330.0060.01216.45
7.2.320.0120.00616.29
7.2.310.0160.00016.31
7.2.300.0060.01016.58
7.2.290.0080.00816.32
7.2.250.0070.01014.89
7.2.240.0160.00315.10
7.2.230.0070.01014.79
7.2.220.0000.01014.84
7.2.210.0030.00614.61
7.2.200.0000.01514.95
7.2.190.0030.00714.74
7.2.180.0060.00614.80
7.2.170.0060.00315.00
7.2.00.0030.01319.25
7.1.330.0030.01315.77
7.1.320.0090.00615.83
7.1.310.0030.00615.70
7.1.300.0030.01215.82
7.1.290.0040.00715.84
7.1.280.0070.00715.63
7.1.270.0000.01515.69
7.1.260.0000.01415.43
7.1.100.0070.00417.91
7.1.70.0060.00917.07
7.1.60.0100.01419.46
7.1.50.0100.01416.59
7.1.00.0030.07722.46
7.0.200.0000.01116.82
7.0.140.0000.07722.15
7.0.60.0030.08021.77
7.0.50.0100.05022.07
7.0.40.0170.07020.11
7.0.30.0100.07720.06
7.0.20.0000.09320.03
7.0.10.0070.07320.03
7.0.00.0030.04020.18
5.6.280.0030.07320.99
5.6.210.0000.07720.71
5.6.200.0070.07720.98
5.6.190.0030.07021.00
5.6.180.0070.08021.08
5.6.170.0100.05021.04
5.6.160.0000.04321.09
5.6.150.0000.06021.13
5.6.140.0100.04020.98
5.6.130.0030.04720.99
5.6.120.0100.07720.97
5.6.110.0070.07321.00
5.6.100.0000.08720.97
5.6.90.0000.08020.98
5.6.80.0030.08020.40
5.6.70.0000.08020.34
5.6.60.0030.08020.39
5.6.50.0070.07320.52
5.6.40.0100.07020.36
5.6.30.0070.08020.32
5.6.20.0030.07320.32
5.6.10.0000.08720.34
5.6.00.0200.06020.39
5.5.350.0170.07020.42
5.5.340.0030.08320.68
5.5.330.0030.08020.84
5.5.320.0100.08320.77
5.5.310.0000.08720.76
5.5.300.0100.06720.75
5.5.290.0000.05020.76
5.5.280.0070.07720.98
5.5.270.0100.08020.95
5.5.260.0100.08320.88
5.5.250.0030.07320.70
5.5.240.0030.08320.11
5.5.230.0030.07720.14
5.5.220.0070.08020.21
5.5.210.0070.07320.05
5.5.200.0070.07320.16
5.5.190.0070.08020.21
5.5.180.0000.07320.11
5.5.160.0100.07720.23
5.5.150.0100.07320.27
5.5.140.0000.06720.23
5.5.130.0070.05320.10
5.5.120.0070.07320.11
5.5.110.0000.08020.11
5.5.100.0070.07320.07
5.5.90.0170.06320.00
5.5.80.0070.07720.02
5.5.70.0130.07020.09
5.5.60.0000.05719.99
5.5.50.0030.07020.09
5.5.40.0100.07319.98
5.5.30.0100.06020.08
5.5.20.0030.08319.98
5.5.10.0100.07719.89
5.5.00.0070.07319.96
5.4.450.0030.04019.17
5.4.440.0070.08019.38
5.4.430.0030.07319.21
5.4.420.0100.07019.17
5.4.410.0030.07719.12
5.4.400.0070.07319.10
5.4.390.0030.07019.06
5.4.380.0000.07718.95
5.4.370.0030.07719.20
5.4.360.0070.07718.95
5.4.350.0000.07719.16
5.4.340.0070.07319.01
5.4.320.0070.07319.02
5.4.310.0100.07319.21
5.4.300.0070.07718.90
5.4.290.0030.07319.09
5.4.280.0070.07319.15
5.4.270.0070.07018.90
5.4.260.0030.07019.00
5.4.250.0070.06718.99
5.4.240.0030.07018.94
5.4.230.0000.06318.92
5.4.220.0030.08019.00
5.4.210.0100.06719.00
5.4.200.0030.06718.94
5.4.190.0130.06018.83
5.4.180.0070.05319.04
5.4.170.0070.06718.99
5.4.160.0030.06318.95
5.4.150.0100.07318.82
5.4.140.0000.07716.35
5.4.130.0070.06716.37
5.4.120.0030.07316.37
5.4.110.0070.05716.25
5.4.100.0030.07316.21
5.4.90.0130.06316.22
5.4.80.0030.05016.23
5.4.70.0130.05716.40
5.4.60.0070.06316.39
5.4.50.0070.07016.22
5.4.40.0070.06716.18
5.4.30.0030.07016.27
5.4.20.0000.07316.18
5.4.10.0000.07316.45
5.4.00.0000.07015.79
5.3.290.0030.08014.61
5.3.280.0070.07014.38
5.3.270.0070.07014.54
5.3.260.0070.06314.46
5.3.250.0030.06014.55
5.3.240.0230.06314.43
5.3.230.0100.05714.54
5.3.220.0000.08014.46
5.3.210.0030.07714.50
5.3.200.0000.07014.54
5.3.190.0000.06314.55
5.3.180.0030.07314.54
5.3.170.0030.07314.50
5.3.160.0200.06314.50
5.3.150.0000.07014.50
5.3.140.0030.08014.53
5.3.130.0000.07314.48
5.3.120.0000.08014.52
5.3.110.0000.06714.45
5.3.100.0030.07013.93
5.3.90.0030.05713.91
5.3.80.0030.06313.98
5.3.70.0000.07713.95
5.3.60.0030.05013.95
5.3.50.0070.07013.89
5.3.40.0070.06713.92
5.3.30.0070.07013.87
5.3.20.0000.07313.53
5.3.10.0000.05313.62
5.3.00.0100.06313.60
5.2.170.0030.06310.97
5.2.160.0000.06311.15
5.2.150.0100.06011.07
5.2.140.0030.06011.09
5.2.130.0000.04711.09
5.2.120.0030.06311.09
5.2.110.0030.06311.04
5.2.100.0000.06311.14
5.2.90.0030.05011.08
5.2.80.0030.05311.04
5.2.70.0070.05311.04
5.2.60.0030.06011.08
5.2.50.0000.06311.04
5.2.40.0000.06310.92
5.2.30.0000.05010.99
5.2.20.0000.06010.74
5.2.10.0030.06310.86
5.2.00.0030.05710.67
5.1.60.0070.05010.35
5.1.50.0030.05010.35
5.1.40.0030.05310.35
5.1.30.0070.03710.35
5.1.20.0030.05710.39
5.1.10.0030.04710.35
5.1.00.0000.05010.35
5.0.50.0000.04310.35
5.0.40.0000.03710.35
5.0.30.0070.06010.35
5.0.20.0000.03310.35
5.0.10.0030.04310.35
5.0.00.0030.06310.35
4.4.90.0030.03310.35
4.4.80.0000.03710.35
4.4.70.0000.03010.35
4.4.60.0000.03710.35
4.4.50.0030.03010.35
4.4.40.0000.05710.35
4.4.30.0070.02310.35
4.4.20.0030.03310.35
4.4.10.0000.03710.35
4.4.00.0000.05310.35
4.3.110.0000.03710.35
4.3.100.0030.03310.35
4.3.90.0030.03310.35
4.3.80.0030.05310.35
4.3.70.0070.03010.35
4.3.60.0000.03710.35
4.3.50.0030.03310.35
4.3.40.0070.04710.35
4.3.30.0000.03310.35
4.3.20.0000.03710.35
4.3.10.0030.03010.35
4.3.00.0000.03310.35

preferences:
48.21 ms | 401 KiB | 5 Q