3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace_callback("#%u([0-9A-F]{1,4})#i", create_function('$matches', 'return dec_to_utf8(hexdec($matches[1]));'), '%u01C4'); function dec_to_utf8($src) { $dest = ''; if($src < 0) { return false; } elseif($src <= 0x007f) { $dest .= chr($src); } elseif($src <= 0x07ff) { $dest .= chr(0xc0 | ($src >> 6)); $dest .= chr(0x80 | ($src & 0x003f)); } elseif($src <= 0xffff) { $dest .= chr(0xe0 | ($src >> 12)); $dest .= chr(0x80 | (($src >> 6) & 0x003f)); $dest .= chr(0x80 | ($src & 0x003f)); } elseif($src <= 0x10ffff) { $dest .= chr(0xf0 | ($src >> 18)); $dest .= chr(0x80 | (($src >> 12) & 0x3f)); $dest .= chr(0x80 | (($src >> 6) & 0x3f)); $dest .= chr(0x80 | ($src & 0x3f)); } else { // Out of range return false; } return $dest; }

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)
8.3.60.0210.00016.75
8.3.50.0040.01116.26
8.3.40.0000.01418.80
8.3.30.0110.00318.91
8.3.20.0040.00420.34
8.3.10.0040.00421.90
8.3.00.0080.00021.91
8.2.180.0170.00316.75
8.2.170.0070.01122.96
8.2.160.0110.00419.04
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0040.00421.05
8.2.120.0000.00826.35
8.2.110.0000.00920.90
8.2.100.0060.00617.72
8.2.90.0040.00419.13
8.2.80.0000.00917.97
8.2.70.0030.00917.50
8.2.60.0050.00317.93
8.2.50.0000.00818.10
8.2.40.0070.00020.42
8.2.30.0050.00320.94
8.2.20.0030.00618.02
8.2.10.0000.00818.00
8.2.00.0070.00018.02
8.1.280.0100.00725.92
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0050.00523.98
8.1.230.0060.00619.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0100.00017.23
8.1.190.0080.00017.25
8.1.180.0080.00018.10
8.1.170.0000.00818.65
8.1.160.0040.00418.98
8.1.150.0000.00718.82
8.1.140.0000.00719.39
8.1.130.0040.00418.73
8.1.120.0040.00417.32
8.1.110.0030.00517.21
8.1.100.0040.00417.19
8.1.90.0030.00317.29
8.1.80.0070.00017.27
8.1.70.0000.00717.37
8.1.60.0000.00917.37
8.1.50.0030.00517.38
8.1.40.0000.00817.52
8.1.30.0000.00817.61
8.1.20.0080.00017.68
8.1.10.0040.00417.48
8.1.00.0070.00017.34
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0030.00317.13
8.0.260.0030.00316.78
8.0.250.0030.00317.02
8.0.240.0030.00316.98
8.0.230.0000.00716.86
8.0.220.0000.00716.79
8.0.210.0040.00416.91
8.0.200.0000.00716.92
8.0.190.0040.00416.91
8.0.180.0000.00816.90
8.0.170.0000.00716.94
8.0.160.0090.00016.92
8.0.150.0000.00816.89
8.0.140.0000.00716.89
8.0.130.0000.00613.38
8.0.120.0030.00516.86
8.0.110.0000.00816.89
8.0.100.0000.00716.80
8.0.90.0040.00416.74
8.0.80.0120.01216.92
8.0.70.0050.00316.88
8.0.60.0040.00416.96
8.0.50.0000.00716.77
8.0.30.0080.01017.16
8.0.20.0110.01017.40
8.0.10.0000.00816.95
8.0.00.0090.01416.60
7.4.330.0000.00615.55
7.4.320.0030.00316.77
7.4.300.0030.00316.86
7.4.290.0030.00316.84
7.4.280.0090.00016.74
7.4.270.0030.00516.86
7.4.260.0040.00416.74
7.4.250.0000.00716.81
7.4.240.0000.00816.71
7.4.230.0000.00816.75
7.4.220.0030.02216.63
7.4.210.0090.00816.81
7.4.200.0000.00717.02
7.4.160.0100.00816.75
7.4.150.0090.00917.40
7.4.140.0100.00917.86
7.4.130.0140.00616.98
7.4.120.0040.01616.78
7.4.110.0110.00716.84
7.4.100.0090.00916.70
7.4.90.0030.01316.62
7.4.80.0120.01219.39
7.4.70.0080.00916.73
7.4.60.0120.00617.05
7.4.50.0060.00916.65
7.4.40.0030.01416.79
7.4.30.0080.01516.89
7.4.00.0090.00615.03
7.3.330.0000.00613.61
7.3.320.0050.00013.47
7.3.310.0040.00416.48
7.3.300.0000.00716.48
7.3.290.0030.00616.57
7.3.280.0090.00816.54
7.3.270.0040.01317.40
7.3.260.0030.01316.84
7.3.250.0040.01316.68
7.3.240.0110.00816.64
7.3.230.0090.00916.91
7.3.210.0090.00916.78
7.3.200.0090.01216.90
7.3.190.0060.01116.54
7.3.180.0070.01016.63
7.3.170.0030.01316.66
7.3.160.0050.01116.72
7.3.10.0380.00316.67
7.3.00.0210.00316.85
7.2.330.0070.01016.97
7.2.320.0100.01016.72
7.2.310.0200.00016.84
7.2.300.0130.00316.80
7.2.290.0030.01316.85
7.2.130.0390.00416.97
7.2.120.0190.00316.48
7.2.110.0120.00616.95
7.2.100.0070.01016.98
7.2.90.0320.00316.63
7.2.80.0260.00716.66
7.2.70.0040.00816.66
7.2.60.0100.00716.79
7.2.50.0220.01016.89
7.2.40.0190.00316.98
7.2.30.0080.00616.89
7.2.20.0160.00016.75
7.2.10.0120.00416.78
7.2.00.0070.01018.15
7.1.250.0120.00815.71
7.1.200.0090.00616.00
7.1.100.0030.00918.21
7.1.70.0250.01515.36
7.1.60.0200.02335.45
7.1.50.0230.02135.06
7.1.40.0590.01932.86
7.1.30.0620.01332.86
7.1.20.0540.01333.01
7.1.10.0080.01216.87
7.1.00.0090.01116.87
7.0.200.0040.01516.94
7.0.190.0060.01316.93
7.0.180.0100.01316.53
7.0.170.0100.01316.43
7.0.160.0170.01016.53
7.0.150.0060.00916.44
7.0.140.0090.00916.84
7.0.130.0150.00616.74
7.0.120.0060.01916.89
7.0.110.0110.01016.52
7.0.100.1350.00616.51
7.0.90.0370.01414.88
7.0.80.0270.01715.00
7.0.70.0180.01216.71
7.0.60.0280.01414.80
7.0.50.0120.00616.46
7.0.40.0100.01016.85
7.0.30.0090.00916.69
7.0.20.0080.01216.66
7.0.10.0140.00616.58
7.0.00.0110.00816.66

preferences:
37.48 ms | 400 KiB | 5 Q