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'); if (mb_strlen($value, 'UTF-8') < mb_strlen($orignalValue) || preg_match('|[^\x09\x0A\x0D\x20-\xD77F\xE000-\xFFFD]|e', $value)) { // value not ISO-8859-15 or UTF8 $value = base64_encode($orignalValue); } var_dump(mb_detect_order(), $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)
8.3.60.0110.00716.88
8.3.50.0170.00317.23
8.3.40.0000.01418.54
8.3.30.0140.00018.71
8.3.20.0040.00418.69
8.3.10.0090.00020.53
8.3.00.0060.00317.63
8.2.180.0130.00716.50
8.2.170.0000.01422.96
8.2.160.0100.00322.13
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0000.00826.16
8.2.120.0060.00319.82
8.2.110.0030.00721.12
8.2.100.0110.00317.91
8.2.90.0030.00519.08
8.2.80.0000.00717.97
8.2.70.0060.00317.50
8.2.60.0030.00517.93
8.2.50.0030.00618.07
8.2.40.0000.00818.22
8.2.30.0000.00718.07
8.2.20.0030.00617.67
8.2.10.0030.00517.72
8.2.00.0050.00217.61
8.1.280.0090.00625.92
8.1.270.0090.00024.66
8.1.260.0070.00726.35
8.1.250.0080.00028.09
8.1.240.0030.00622.53
8.1.230.0030.00921.03
8.1.220.0080.00018.77
8.1.210.0000.00818.96
8.1.200.0070.00317.47
8.1.190.0050.00417.40
8.1.180.0040.00418.10
8.1.170.0040.00418.96
8.1.160.0000.00718.87
8.1.150.0000.00718.71
8.1.140.0000.00717.47
8.1.130.0070.00017.84
8.1.120.0050.00217.43
8.1.110.0000.00717.44
8.1.100.0030.00517.41
8.1.90.0000.00717.44
8.1.80.0050.00217.53
8.1.70.0040.00417.50
8.1.60.0040.00417.57
8.1.50.0000.00817.59
8.1.40.0000.00917.65
8.1.30.0020.00517.66
8.1.20.0030.00617.77
8.1.10.0050.00317.43
8.1.00.0040.00417.43
8.0.300.0080.00020.08
8.0.290.0040.00416.88
8.0.280.0000.00718.39
8.0.270.0000.00717.32
8.0.260.0000.00718.51
8.0.250.0040.00417.00
8.0.240.0050.00516.99
8.0.230.0030.00317.13
8.0.220.0000.00717.09
8.0.210.0070.00017.02
8.0.200.0060.00316.99
8.0.190.0040.00416.98
8.0.180.0070.00017.07
8.0.170.0060.00316.94
8.0.160.0000.00716.97
8.0.150.0040.00416.90
8.0.140.0070.00016.87
8.0.130.0030.00313.38
8.0.120.0040.00417.01
8.0.110.0000.00717.13
8.0.100.0040.00416.82
8.0.90.0040.00416.99
8.0.80.0060.00917.08
8.0.70.0040.00417.14
8.0.60.0000.00716.94
8.0.50.0000.00717.13
8.0.30.0110.01117.23
8.0.20.0090.00917.22
8.0.10.0000.00817.10
8.0.00.0080.00916.69
7.4.330.0000.00513.08
7.4.320.0000.00616.55
7.4.300.0080.00016.67
7.4.290.0030.00316.57
7.4.280.0080.00016.46
7.4.270.0000.00816.63
7.4.260.0000.00513.34
7.4.250.0040.00416.70
7.4.240.0030.00316.71
7.4.230.0060.00016.42
7.4.220.0150.00916.64
7.4.210.0060.01016.57
7.4.200.0030.00316.77
7.4.190.0030.00316.80
7.4.160.0120.00416.44
7.4.150.0090.01316.62
7.4.140.0120.00916.55
7.4.130.0130.00716.49
7.4.120.0100.00716.51
7.4.110.0090.00916.59
7.4.100.0030.01316.55
7.4.90.0110.01116.61
7.4.80.0110.00616.39
7.4.70.0110.00516.46
7.4.60.0060.00916.51
7.4.50.0050.00016.30
7.4.40.0030.01016.52
7.4.30.0090.00816.56
7.4.00.0000.01615.07
7.3.330.0050.00013.26
7.3.320.0050.00013.25
7.3.310.0030.00316.48
7.3.300.0000.00716.28
7.3.290.0000.01616.38
7.3.280.0080.01016.34
7.3.270.0060.01816.54
7.3.260.0100.00716.43
7.3.250.0120.00616.39
7.3.240.0100.01016.31
7.3.230.0100.00716.46
7.3.210.0070.01016.47
7.3.200.0060.01619.39
7.3.190.0140.00816.34
7.3.180.0150.00016.45
7.3.170.0090.00616.46
7.3.160.0090.00616.50
7.3.120.0070.01014.90
7.3.10.0090.00516.69
7.3.00.0000.01416.82
7.2.330.0060.01316.62
7.2.320.0100.01016.76
7.2.310.0090.01516.69
7.2.300.0130.00316.78
7.2.290.0110.00716.87
7.2.130.0040.00817.04
7.2.120.0050.00717.11
7.2.110.0050.00717.08
7.2.100.0050.00716.86
7.2.90.0040.00616.86
7.2.80.0080.00517.14
7.2.70.0080.00417.06
7.2.60.0040.00916.96
7.2.50.0080.00617.14
7.2.40.0070.00516.95
7.2.30.0100.00516.97
7.2.20.0050.00617.04
7.2.10.0020.01217.14
7.2.00.0080.00217.03
7.1.250.0050.00615.98
7.1.70.0030.01217.33
7.1.60.0180.00719.40
7.1.50.0060.01917.09
7.1.00.0000.07722.46
7.0.200.0090.00314.93
7.0.140.0070.07021.95
7.0.120.0030.07322.04
7.0.60.0000.08021.73
7.0.50.0000.09017.83
7.0.40.0100.08019.92
7.0.30.0130.05020.18
7.0.20.0300.07720.21
7.0.10.0430.06020.14
7.0.00.0070.07020.18
5.6.280.0000.07720.81
5.6.210.0100.06320.69
5.6.200.0070.06318.13
5.6.190.0070.08720.66
5.6.180.0370.07020.50
5.6.170.0330.07020.47
5.6.160.0030.05020.71
5.6.150.0100.05018.18
5.6.140.0130.06018.14
5.6.130.0070.04718.21
5.6.120.0100.08321.09
5.6.110.0100.07720.99
5.6.100.0100.08021.13
5.6.90.0070.06721.07
5.6.80.0100.07020.38
5.5.350.0070.03720.32
5.5.340.0000.09018.02
5.5.330.0100.06320.39
5.5.320.0230.08020.21
5.5.310.0230.05020.30
5.5.300.0100.04717.91
5.5.290.0070.07317.91
5.5.280.0070.08320.83
5.5.270.0130.03320.86
5.5.260.0130.08020.83
5.5.250.0100.05320.70
5.5.240.0100.07020.06
5.4.450.0070.07019.41
5.4.440.0070.07719.50
5.4.430.0200.04319.44
5.4.420.0030.04319.48
5.4.410.0130.03319.20
5.4.400.0030.08718.79
5.4.390.0270.05319.12
5.4.380.0100.07319.08
5.4.370.0070.05319.18
5.4.360.0070.05019.14
5.4.350.0100.06719.18
5.4.340.0030.05719.17
5.4.320.0070.03718.88
5.4.310.0100.03319.14
5.4.300.0130.07019.17
5.4.290.0070.04019.15
5.4.280.0070.04019.18
5.4.270.0100.04718.91
5.4.260.0170.06319.00
5.4.250.0100.07319.16
5.4.240.0070.07319.07
5.4.230.0070.07019.07
5.4.220.0000.05719.08
5.4.210.0070.04319.17
5.4.200.0100.03718.82
5.4.190.0030.06718.92
5.4.180.0100.04719.07
5.4.170.0100.07319.16
5.4.160.0100.07719.06
5.4.150.0100.07319.06
5.4.140.0070.07316.27
5.4.130.0070.07316.43
5.4.120.0000.07716.32
5.4.110.0070.04316.61
5.4.100.0070.05316.36
5.4.90.0100.05016.37
5.4.80.0070.07016.23
5.4.70.0030.06016.18
5.4.60.0030.04716.12
5.4.50.0100.05016.28
5.4.40.0070.07316.24
5.4.30.0100.06316.23
5.4.20.0170.06316.27
5.4.10.0070.04316.38
5.4.00.0070.07315.73
5.3.290.0200.04314.61
5.3.280.0100.08014.57
5.3.270.0070.07014.62
5.3.260.0000.06714.42
5.3.250.0000.06714.56
5.3.240.0170.06714.56
5.3.230.0030.04014.53
5.3.220.0000.05014.52
5.3.210.0030.07314.65
5.3.200.0130.07014.65
5.3.190.0100.07314.51
5.3.180.0070.07314.38
5.3.170.0000.06314.49
5.3.160.0130.06714.48
5.3.150.0070.06714.48
5.3.140.0000.05314.48
5.3.130.0130.07014.56
5.3.120.0100.05714.36
5.3.110.0030.05314.45
5.3.100.0070.08013.99
5.3.90.0100.07313.92
5.3.80.0070.05013.80
5.3.70.0030.05713.86
5.3.60.0070.04313.84
5.3.50.0030.06013.88
5.3.40.0100.04713.73
5.3.30.0130.02713.84
5.3.20.0070.05013.62
5.3.10.0030.07713.59
5.3.00.0130.06313.56
5.2.170.0030.06311.05
5.2.160.0130.04311.23
5.2.150.0030.03311.09
5.2.140.0070.06311.12
5.2.130.0030.05311.00
5.2.120.0030.05710.96
5.2.110.0030.05311.25
5.2.100.0070.04010.92
5.2.90.0070.02710.99
5.2.80.0070.06011.24
5.2.70.0000.03311.06
5.2.60.0030.03710.98
5.2.50.0000.04710.84
5.2.40.0130.05011.14
5.2.30.0000.04010.91
5.2.20.0070.05710.88
5.2.10.0070.03710.81
5.2.00.0030.06010.72
5.1.60.0070.05010.00
5.1.50.0070.0409.96
5.1.40.0030.0509.92
5.1.30.0070.03310.38
5.1.20.0130.05010.38
5.1.10.0000.04710.04
5.1.00.0070.05310.12
5.0.50.0000.0508.62
5.0.40.0030.0438.52
5.0.30.0070.0538.52
5.0.20.0070.0438.52
5.0.10.0030.0238.52
5.0.00.0030.0508.52
4.4.90.0000.0378.52
4.4.80.0030.0178.52
4.4.70.0000.0408.52
4.4.60.0030.0308.52
4.4.50.0000.0308.52
4.4.40.0000.0338.52
4.4.30.0000.0278.52
4.4.20.0130.0278.52
4.4.10.0030.0238.52
4.4.00.0030.0538.52
4.3.110.0000.0378.52
4.3.100.0000.0238.52
4.3.90.0030.0178.52
4.3.80.0070.0478.52
4.3.70.0030.0308.52
4.3.60.0070.0338.52
4.3.50.0100.0278.52
4.3.40.0030.0508.52
4.3.30.0000.0308.52
4.3.20.0070.0208.52
4.3.10.0000.0238.52
4.3.00.0000.0378.52

preferences:
46.92 ms | 400 KiB | 5 Q