3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding('UTF-8'); $value = 'g' . chr(0xa4) .'eld'; $orignalValue = $value; mb_substitute_character('entity'); $value = mb_convert_encoding($value, 'UTF-8'); var_dump($value, mb_strlen($value));

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)
8.3.60.0100.01016.63
8.3.50.0090.00917.24
8.3.40.0030.01218.77
8.3.30.0090.00618.62
8.3.20.0000.00818.52
8.3.10.0060.00320.30
8.3.00.0070.00419.02
8.2.180.0090.00618.15
8.2.170.0120.00322.96
8.2.160.0070.00720.91
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0040.00422.20
8.2.100.0040.00817.91
8.2.90.0040.00418.09
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0030.00617.80
8.2.50.0050.00318.10
8.2.40.0000.00818.09
8.2.30.0030.00618.00
8.2.20.0030.00517.46
8.2.10.0070.00017.59
8.2.00.0100.00017.77
8.1.280.0090.00625.92
8.1.270.0000.00823.99
8.1.260.0020.00526.35
8.1.250.0050.00328.09
8.1.240.0090.00023.92
8.1.230.0060.00920.97
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0000.00817.23
8.1.190.0080.00018.89
8.1.180.0080.00018.10
8.1.170.0000.00718.84
8.1.160.0040.00418.80
8.1.150.0000.00718.59
8.1.140.0000.00817.39
8.1.130.0040.00417.82
8.1.120.0040.00417.36
8.1.110.0050.00217.40
8.1.100.0000.00717.46
8.1.90.0070.00317.36
8.1.80.0040.00417.34
8.1.70.0000.00717.33
8.1.60.0030.00617.52
8.1.50.0040.00417.44
8.1.40.0040.00417.42
8.1.30.0040.00417.63
8.1.20.0060.00317.60
8.1.10.0030.00517.54
8.1.00.0030.00517.28
8.0.300.0000.00720.07
8.0.290.0000.00716.63
8.0.280.0000.00718.32
8.0.270.0000.00717.12
8.0.260.0030.00316.81
8.0.250.0050.00216.84
8.0.240.0000.00716.95
8.0.230.0070.00016.88
8.0.220.0080.00016.79
8.0.210.0050.00216.76
8.0.200.0000.00716.96
8.0.190.0030.00316.88
8.0.180.0040.00416.79
8.0.170.0040.00416.91
8.0.160.0030.00316.97
8.0.150.0080.00016.89
8.0.140.0000.00716.81
8.0.130.0030.00313.35
8.0.120.0100.00016.88
8.0.110.0040.00416.91
8.0.100.0040.00416.77
8.0.90.0030.00516.68
8.0.80.0030.01316.80
8.0.70.0030.00616.79
8.0.60.0070.00016.84
8.0.50.0040.00416.94
8.0.30.0170.00617.00
8.0.20.0040.01617.06
8.0.10.0040.00416.76
8.0.00.0080.01416.88
7.4.330.0000.00512.98
7.4.320.0070.00016.50
7.4.300.0030.00316.51
7.4.290.0000.00716.54
7.4.280.0030.00616.57
7.4.270.0030.00316.48
7.4.260.0030.00313.27
7.4.250.0040.00416.57
7.4.240.0000.00816.41
7.4.230.0030.00316.48
7.4.220.0070.01116.65
7.4.210.0060.01016.50
7.4.200.0000.00716.39
7.4.190.0000.00716.55
7.4.160.0060.01016.35
7.4.150.0150.00916.34
7.4.140.0090.00916.44
7.4.130.0110.00616.38
7.4.120.0120.00516.43
7.4.110.0080.00816.53
7.4.100.0030.01716.28
7.4.90.0100.00716.38
7.4.80.0070.01119.39
7.4.70.0030.01416.54
7.4.60.0070.01116.39
7.4.50.0030.00616.16
7.4.40.0000.01416.34
7.4.30.0140.00416.38
7.4.00.0020.01414.77
7.3.330.0000.00613.11
7.3.320.0050.00013.11
7.3.310.0030.00516.20
7.3.300.0030.00316.31
7.3.290.0000.02116.22
7.3.280.0060.00916.28
7.3.270.0060.01016.30
7.3.260.0100.00716.63
7.3.250.0090.00816.34
7.3.240.0070.01016.27
7.3.230.0130.00316.55
7.3.210.0100.00716.41
7.3.200.0120.00916.54
7.3.190.0070.01516.48
7.3.180.0050.01116.09
7.3.170.0090.00916.16
7.3.160.0060.01016.32
7.3.120.0090.00614.87
7.3.110.0070.01014.79
7.3.100.0060.00914.78
7.3.90.0070.00314.61
7.3.80.0030.00614.77
7.3.70.0070.01114.66
7.3.60.0090.00414.69
7.3.50.0060.00314.60
7.3.40.0060.00914.65
7.3.30.0000.01214.40
7.3.20.0080.00316.64
7.3.10.0030.01016.49
7.3.00.0060.00616.61
7.2.330.0120.01016.57
7.2.320.0120.00916.55
7.2.310.0070.01116.66
7.2.300.0060.01016.73
7.2.290.0100.00716.38
7.2.250.0040.01115.09
7.2.240.0130.00714.62
7.2.230.0040.01115.09
7.2.220.0060.00614.90
7.2.210.0060.00614.94
7.2.200.0110.00714.88
7.2.190.0040.00814.53
7.2.180.0040.00715.08
7.2.170.0000.01114.75
7.2.00.0100.00319.03
7.1.330.0110.00015.94
7.1.320.0080.00815.66
7.1.310.0040.00715.89
7.1.300.0030.00715.84
7.1.290.0110.00015.38
7.1.280.0100.00315.61
7.1.270.0120.00415.88
7.1.260.0040.01215.77
7.1.100.0070.01017.88
7.1.70.0000.00717.16
7.1.60.0100.01319.40
7.1.50.0070.01116.96
7.1.00.0070.03022.48
7.0.200.1020.00314.37
7.0.140.0030.07321.96
7.0.120.0070.07022.03
7.0.60.0200.07019.86
7.0.50.0030.08317.91
7.0.40.0000.05320.23
7.0.30.0430.05020.18
7.0.20.0230.07320.02
7.0.10.0100.08720.02
7.0.00.0030.05020.08
5.6.280.0000.07721.12
5.6.210.0130.07020.60
5.6.200.0070.07318.24
5.6.190.0030.08320.43
5.6.180.0330.07020.27
5.6.170.0270.04720.38
5.6.160.0070.04718.21
5.6.150.0070.04718.09
5.6.140.0000.04318.08
5.6.130.0270.03018.22
5.6.120.0070.09021.11
5.6.110.0070.08321.13
5.6.100.0100.05721.03
5.6.90.0170.07021.12
5.6.80.0130.03720.36
5.5.350.0230.07320.32
5.5.340.0070.08017.91
5.5.330.0000.05320.13
5.5.320.0230.04020.18
5.5.310.0270.06320.27
5.5.300.0070.08017.95
5.5.290.0100.06017.90
5.5.280.0070.06720.97
5.5.270.0030.08320.75
5.5.260.0030.04720.79
5.5.250.0130.05720.57
5.5.240.0230.06020.06
5.4.450.0070.03719.48
5.4.440.0030.04019.24
5.4.430.0030.03719.46
5.4.420.0030.04019.40
5.4.410.0030.03719.27
5.4.400.0070.03319.09
5.4.390.0100.03719.09
5.4.380.0030.04019.18
5.4.370.0030.03718.91
5.4.360.0070.03318.91
5.4.350.0000.04019.08
5.4.340.0000.05019.16
5.4.320.0030.07319.07
5.4.310.0100.03318.93
5.4.300.0070.07319.14
5.4.290.0070.07318.91
5.4.280.0000.04319.15
5.4.270.0100.06319.08
5.4.260.0070.05718.91
5.4.250.0070.05019.17
5.4.240.0100.07019.07
5.4.230.0070.06318.80
5.4.220.0100.06719.17
5.4.210.0000.04318.86
5.4.200.0070.06019.18
5.4.190.0100.07019.07
5.4.180.0130.06719.17
5.4.170.0070.04718.90
5.4.160.0070.05319.11
5.4.150.0070.05319.11
5.4.140.0070.07016.21
5.4.130.0030.07316.37
5.4.120.0030.05716.41
5.4.110.0130.06016.34
5.4.100.0030.04016.25
5.4.90.0170.06016.37
5.4.80.0030.07716.39
5.4.70.0070.07316.39
5.4.60.0100.04316.24
5.4.50.0070.06716.55
5.4.40.0030.04316.25
5.4.30.0030.07316.34
5.4.20.0000.04016.21
5.4.10.0000.05016.21
5.4.00.0100.03015.82
5.3.290.0070.03714.56
5.3.280.0130.07014.52
5.3.270.0100.07314.54
5.3.260.0100.07714.56
5.3.250.0030.07714.58
5.3.240.0070.04014.42
5.3.230.0030.05314.52
5.3.220.0030.05014.38
5.3.210.0030.07014.48
5.3.200.0030.06714.50
5.3.190.0070.07314.50
5.3.180.0030.05314.48
5.3.170.0070.04314.52
5.3.160.0000.04014.57
5.3.150.0030.05714.48
5.3.140.0130.07014.50
5.3.130.0130.06714.42
5.3.120.0030.06714.49
5.3.110.0070.07714.46
5.3.100.0130.07013.96
5.3.90.0130.06713.98
5.3.80.0030.03714.03
5.3.70.0070.03713.98
5.3.60.0170.06013.93
5.3.50.0100.03713.89
5.3.40.0100.06313.92
5.3.30.0030.04713.74
5.3.20.0000.04013.63
5.3.10.0100.03013.61
5.3.00.0070.07313.43
5.2.170.0070.04311.31
5.2.160.0000.04010.96
5.2.150.0030.06711.09
5.2.140.0030.03010.96
5.2.130.0000.03311.00
5.2.120.0030.06311.25
5.2.110.0070.02710.99
5.2.100.0070.03011.09
5.2.90.0030.05311.04
5.2.80.0070.03010.99
5.2.70.0030.07011.17
5.2.60.0070.06711.20
5.2.50.0100.04310.98
5.2.40.0000.06310.94
5.2.30.0170.03010.91
5.2.20.0100.05010.93
5.2.10.0000.03310.84
5.2.00.0030.06010.61
5.1.60.0030.06010.00
5.1.50.0000.03310.06
5.1.40.0070.0239.96
5.1.30.0070.03010.49
5.1.20.0030.06010.37
5.1.10.0100.02010.10
5.1.00.0070.04010.17
5.0.50.0070.0238.60
5.0.40.0070.0408.31
5.0.30.0070.0438.21
5.0.20.0000.0408.21
5.0.10.0070.0308.15
5.0.00.0000.0338.20
4.4.90.0030.0137.81
4.4.80.0000.0407.81
4.4.70.0070.0237.81
4.4.60.0130.0277.81
4.4.50.0030.0337.81
4.4.40.0030.0437.81
4.4.30.0100.0337.81
4.4.20.0000.0177.81
4.4.10.0000.0307.81
4.4.00.0070.0237.81
4.3.110.0030.0337.81
4.3.100.0000.0307.81
4.3.90.0000.0377.81
4.3.80.0070.0277.81
4.3.70.0000.0377.81
4.3.60.0000.0337.81
4.3.50.0000.0277.81
4.3.40.0000.0377.81
4.3.30.0000.0277.81
4.3.20.0000.0377.81
4.3.10.0000.0177.81
4.3.00.0000.0377.81

preferences:
35.76 ms | 401 KiB | 5 Q