3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '回';echo pack('a3',$str); echo $bin = pack("C3", ord($str{0}), ord($str{1}), ord($str{2}));//回 $hex = strtoupper(bin2hex($bin)); echo "UTF-8įž–į : " . $hex . "\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)
8.3.70.0090.00918.43
8.3.60.0120.00618.43
8.3.50.0120.00321.08
8.3.40.0150.00318.80
8.3.30.0100.01018.83
8.3.20.0050.00320.21
8.3.10.0040.00421.92
8.3.00.0030.00522.52
8.2.190.0070.00716.58
8.2.180.0080.00816.38
8.2.170.0070.00722.96
8.2.160.0100.00619.04
8.2.150.0080.00024.18
8.2.140.0070.00724.66
8.2.130.0080.00026.16
8.2.120.0030.00519.53
8.2.110.0030.00622.19
8.2.100.0120.00019.41
8.2.90.0030.00519.09
8.2.80.0050.00317.97
8.2.70.0040.00417.38
8.2.60.0050.00317.80
8.2.50.0080.00018.07
8.2.40.0080.00017.84
8.2.30.0000.00717.80
8.2.20.0070.00017.43
8.2.10.0040.00417.54
8.2.00.0030.00617.54
8.1.280.0100.01025.92
8.1.270.0060.00318.33
8.1.260.0020.00526.35
8.1.250.0000.00728.09
8.1.240.0080.00023.90
8.1.230.0060.00619.16
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0000.00917.22
8.1.190.0050.00317.41
8.1.180.0060.00318.60
8.1.170.0000.00818.70
8.1.160.0030.00322.23
8.1.150.0050.00218.45
8.1.140.0050.00217.32
8.1.130.0040.00717.66
8.1.120.0000.00717.32
8.1.110.0000.01017.34
8.1.100.0030.00517.32
8.1.90.0040.00417.29
8.1.80.0030.00517.31
8.1.70.0000.00717.22
8.1.60.0060.00317.48
8.1.50.0030.00617.40
8.1.40.0040.00417.36
8.1.30.0000.00917.32
8.1.20.0040.00417.49
8.1.10.0080.00317.31
8.1.00.0000.00817.34
8.0.300.0070.00018.77
8.0.290.0000.00817.05
8.0.280.0040.00418.23
8.0.270.0070.00017.00
8.0.260.0030.00316.79
8.0.250.0050.00316.91
8.0.240.0050.00516.92
8.0.230.0000.00716.87
8.0.220.0030.00316.79
8.0.210.0070.00016.74
8.0.200.0070.00016.82
8.0.190.0030.00516.88
8.0.180.0070.00016.84
8.0.170.0000.00816.85
8.0.160.0040.00416.74
8.0.150.0030.00316.71
8.0.140.0070.00016.82
8.0.130.0030.00313.29
8.0.120.0070.00016.78
8.0.110.0040.00416.70
8.0.100.0070.00016.79
8.0.90.0080.00016.78
8.0.80.0090.00616.87
8.0.70.0040.00416.89
8.0.60.0040.00416.75
8.0.50.0040.00416.86
8.0.30.0110.00816.91
8.0.20.0150.00417.40
8.0.10.0000.00716.94
8.0.00.0030.01516.63
7.4.330.0000.00615.00
7.4.320.0060.00016.46
7.4.300.0040.00416.42
7.4.290.0030.00316.43
7.4.280.0000.00916.57
7.4.270.0040.00416.39
7.4.260.0000.00716.43
7.4.250.0000.00716.52
7.4.240.0000.00816.46
7.4.230.0000.00716.46
7.4.220.0090.00616.57
7.4.210.0070.00916.52
7.4.200.0000.00716.49
7.4.190.0000.00716.43
7.4.160.0120.00316.49
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0100.00816.65
7.4.120.0140.00516.53
7.4.110.0070.01016.48
7.4.100.0110.00616.46
7.4.90.0100.00716.56
7.4.80.0060.01019.39
7.4.70.0080.01416.25
7.4.60.0060.01016.54
7.4.50.0000.00616.43
7.4.40.0090.00622.77
7.4.30.0150.00016.32
7.4.00.0070.01215.13
7.3.330.0020.00313.27
7.3.320.0060.00013.04
7.3.310.0030.00316.14
7.3.300.0060.00016.38
7.3.290.0110.00316.38
7.3.280.0070.00816.24
7.3.270.0120.00617.40
7.3.260.0100.00716.40
7.3.250.0080.00816.43
7.3.240.0120.01216.41
7.3.230.0150.00316.50
7.3.210.0120.00616.48
7.3.200.0150.00519.39
7.3.190.0070.01416.26
7.3.180.0060.01016.57
7.3.170.0120.00916.60
7.3.160.0060.00916.26
7.3.120.0090.00614.88
7.3.110.0030.01214.67
7.3.100.0110.00714.61
7.3.90.0040.01114.89
7.3.80.0000.01414.71
7.3.70.0000.01514.77
7.3.60.0100.00614.49
7.3.50.0000.01414.93
7.3.40.0050.00514.58
7.3.30.0000.01114.75
7.3.20.0100.00716.68
7.3.10.0000.01416.78
7.3.00.0100.00316.59
7.2.330.0110.00716.70
7.2.320.0060.01216.71
7.2.310.0180.00616.65
7.2.300.0140.00316.73
7.2.290.0060.00916.50
7.2.250.0070.01114.93
7.2.240.0060.00915.22
7.2.230.0000.01715.05
7.2.220.0030.00615.32
7.2.210.0100.00614.54
7.2.200.0030.00714.98
7.2.190.0080.00814.77
7.2.180.0000.01215.16
7.2.170.0000.01415.09
7.2.00.0060.00619.44
7.1.330.0000.01515.91
7.1.320.0030.01015.66
7.1.310.0050.00515.68
7.1.300.0070.00715.85
7.1.290.0000.00915.75
7.1.280.0030.00915.55
7.1.270.0090.00615.50
7.1.260.0090.00615.79
7.1.100.0030.01018.23
7.1.70.0030.00517.20
7.1.60.0130.00319.82
7.1.50.0060.00616.70
7.1.00.0030.04022.57
7.0.200.0140.00316.77
7.0.140.0030.07721.97
7.0.60.0100.08320.00
7.0.50.0030.05317.88
7.0.40.0030.09019.90
7.0.30.0400.07320.13
7.0.20.0230.08320.21
7.0.10.0300.06320.12
7.0.00.0130.05319.97
5.6.280.0030.07320.86
5.6.210.0100.07720.46
5.6.200.0130.07718.13
5.6.190.0070.07320.67
5.6.180.3730.04020.61
5.6.170.0300.06720.51
5.6.160.0100.08020.41
5.6.150.0070.03718.19
5.6.140.0100.08318.20
5.6.130.0070.08318.21
5.6.120.0130.06721.12
5.6.110.0170.03321.00
5.6.100.0130.05321.00
5.6.90.0070.08320.96
5.6.80.0030.06020.35
5.6.70.0200.06720.52
5.5.350.0170.07320.43
5.5.340.0030.03718.02
5.5.330.0100.08320.13
5.5.320.0330.07320.17
5.5.310.0270.06020.16
5.5.300.0070.04717.98
5.5.290.0030.08018.02
5.5.280.0130.08020.77
5.5.270.0130.05720.76
5.5.260.0030.05020.79
5.5.250.0070.03720.58
5.5.240.0000.07320.27
5.4.450.2000.04719.57
5.4.440.1770.03719.25
5.4.430.1930.04019.42
5.4.420.1030.04319.40
5.4.410.0100.04719.00
5.4.400.0130.03319.22
5.4.390.0000.04019.21
5.4.380.1630.03719.08
5.4.370.1970.04719.13
5.4.360.2130.03319.24
5.4.350.1730.03718.81
5.4.340.1870.04319.08
5.4.320.1870.04019.09
5.4.310.1830.05318.92
5.4.300.2030.04019.24
5.4.290.2000.04319.10
5.4.280.2030.04019.10
5.4.270.1930.04019.21
5.4.260.2000.04019.09
5.4.250.1930.04318.77
5.4.240.2100.04019.12
5.4.230.2000.04719.15
5.4.220.2030.04019.15
5.4.210.1770.03718.91
5.4.200.1700.04019.06
5.4.190.1800.04719.08
5.4.180.1930.04018.91
5.4.170.1800.03719.14
5.4.160.1770.03319.06
5.4.150.2000.04719.05
5.4.140.1630.03316.27
5.4.130.1830.04016.16
5.4.120.2100.03716.27
5.4.110.2130.04016.07
5.4.100.1930.04016.39
5.4.90.2100.04316.45
5.4.80.1900.04316.40
5.4.70.1930.03716.39
5.4.60.2000.03716.33
5.4.50.2000.03716.15
5.4.40.2130.03016.20
5.4.30.2030.04016.41
5.4.20.2100.03716.45
5.4.10.1930.04016.47
5.4.00.1770.03715.63
5.3.290.2030.04014.65
5.3.280.2100.04314.54
5.3.270.2000.04314.62
5.3.260.1970.04014.46
5.3.250.1770.03314.65
5.3.240.1700.04014.70
5.3.230.2030.04014.54
5.3.220.1770.03714.44
5.3.210.1930.04314.52
5.3.200.1730.04014.41
5.3.190.2130.02714.59
5.3.180.1800.04014.51
5.3.170.2100.03314.41
5.3.160.2030.04014.39
5.3.150.1970.04314.40
5.3.140.1870.04014.41
5.3.130.2100.03714.40
5.3.120.1900.04014.59
5.3.110.1930.05014.56
5.3.100.1800.03313.99
5.3.90.1800.06014.02
5.3.80.1970.04313.92
5.3.70.2000.05013.86
5.3.60.2070.03713.84
5.3.50.2000.04013.80
5.3.40.2030.04713.80
5.3.30.1900.04013.96
5.3.20.1970.03713.47
5.3.10.2070.03713.61
5.3.00.1900.04013.65
5.2.170.1500.03711.30
5.2.160.1630.03310.99
5.2.150.1600.03311.09
5.2.140.1630.03311.30
5.2.130.1400.03010.99
5.2.120.1600.03311.04
5.2.110.1600.03711.11
5.2.100.1700.03311.12
5.2.90.1600.03011.04
5.2.80.1600.03711.25
5.2.70.1470.02711.18
5.2.60.1430.03010.89
5.2.50.1800.03710.87
5.2.40.1270.02310.85
5.2.30.1200.03311.02
5.2.20.1030.03311.00
5.2.10.1470.02710.76
5.2.00.1330.03310.71
5.1.60.1230.0279.92
5.1.50.1200.0279.91
5.1.40.1230.03010.02
5.1.30.1230.02310.20
5.1.20.1230.02710.25
5.1.10.1230.02310.19
5.1.00.1200.0279.93
5.0.50.0670.0138.44
5.0.40.0630.0178.33
5.0.30.0700.0408.31
5.0.20.0630.0178.20
5.0.10.0800.0308.10
5.0.00.0630.0338.09
4.4.90.0600.0137.81
4.4.80.0600.0137.81
4.4.70.0570.0177.81
4.4.60.0570.0207.81
4.4.50.0530.0177.81
4.4.40.0570.0237.81
4.4.30.0330.0137.81
4.4.20.0630.0207.81
4.4.10.0730.0237.81
4.4.00.0570.0277.81
4.3.110.0730.0237.55
4.3.100.0770.0207.55
4.3.90.0730.0207.55
4.3.80.0700.0307.55
4.3.70.0600.0137.55
4.3.60.0730.0207.55
4.3.50.0600.0177.55
4.3.40.0730.0377.55
4.3.30.0370.0307.55
4.3.20.0270.0177.55
4.3.10.0370.0307.55
4.3.00.0270.0177.55

preferences:
39.09 ms | 401 KiB | 5 Q