3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "<?php\n\n"; foreach (['e', 'f', 'n', 'r', 't', 'v'] as $c) { echo "const {$c} = \"\\{$c}\";\n"; } for ($i = 0; $i < 256; $i++) { $str = str_pad(strtoupper(dechex($i)), 2, '0', STR_PAD_LEFT); $p1 = [$str[0]]; if ($str[0] >= 'A' && $str[0] <= 'F') { $p1[] = strtolower($str[0]); } $p2 = [$str[1]]; if ($str[1] >= 'A' && $str[1] <= 'F') { $p2[] = strtolower($str[1]); } foreach ($p1 as $c1) foreach ($p2 as $c2) echo "const x{$c1}{$c2} = \"\\x{$str}\";\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)
8.3.60.0100.01016.50
8.3.50.0070.01517.99
8.3.40.0040.01218.84
8.3.30.0080.00819.25
8.3.20.0040.00420.34
8.3.10.0060.00321.89
8.3.00.0090.00019.68
8.2.180.0060.01018.54
8.2.170.0110.01122.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0090.00026.16
8.2.120.0100.01019.48
8.2.110.0050.00519.52
8.2.100.0060.00617.66
8.2.90.0000.00820.42
8.2.80.0000.00817.97
8.2.70.0000.00817.93
8.2.60.0080.00018.03
8.2.50.0040.00418.10
8.2.40.0030.00620.42
8.2.30.0050.00319.39
8.2.20.0030.00517.76
8.2.10.0000.00818.15
8.2.00.0030.00617.64
8.1.280.0180.00325.92
8.1.270.0060.00623.83
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0110.00022.46
8.1.230.0060.00620.84
8.1.220.0030.00617.77
8.1.210.0040.00418.92
8.1.200.0000.00917.35
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0050.00318.66
8.1.160.0030.00618.78
8.1.150.0040.00418.93
8.1.140.0070.00017.43
8.1.130.0000.00817.86
8.1.120.0080.00017.45
8.1.110.0080.00017.38
8.1.100.0040.00417.49
8.1.90.0000.00817.36
8.1.80.0040.00417.38
8.1.70.0050.00317.36
8.1.60.0050.00517.59
8.1.50.0040.00417.54
8.1.40.0080.00017.55
8.1.30.0000.00817.72
8.1.20.0000.00817.65
8.1.10.0040.00417.60
8.1.00.0090.00017.54
8.0.300.0070.00019.98
8.0.290.0040.00416.63
8.0.280.0040.00418.49
8.0.270.0040.00417.15
8.0.260.0030.00317.36
8.0.250.0000.00716.91
8.0.240.0040.00416.86
8.0.230.0040.00416.87
8.0.220.0080.00016.86
8.0.210.0000.00716.84
8.0.200.0030.00316.80
8.0.190.0050.00316.86
8.0.180.0070.00016.94
8.0.170.0040.00416.99
8.0.160.0050.00216.99
8.0.150.0000.00816.86
8.0.140.0070.00316.88
8.0.130.0080.00013.27
8.0.120.0030.00616.90
8.0.110.0000.00816.85
8.0.100.0000.00916.86
8.0.90.0040.00416.73
8.0.80.0190.00316.89
8.0.70.0050.00316.82
8.0.60.0080.00016.71
8.0.50.0080.00016.90
8.0.30.0100.01317.18
8.0.20.0110.01017.40
8.0.10.0030.00516.98
8.0.00.0080.01216.79
7.4.330.0000.00615.14
7.4.320.0040.00416.64
7.4.300.0070.00016.60
7.4.290.0040.00416.56
7.4.280.0000.00916.60
7.4.270.0070.00016.51
7.4.260.0040.00416.48
7.4.250.0000.00816.41
7.4.240.0040.00416.45
7.4.230.0070.00016.36
7.4.220.0080.01216.65
7.4.210.0060.01216.63
7.4.200.0040.00416.64
7.4.160.0070.01116.59
7.4.150.0110.01117.40
7.4.140.0150.00917.86
7.4.130.0110.01016.56
7.4.120.0080.01116.46
7.4.110.0140.00616.63
7.4.100.0110.01416.51
7.4.90.0160.00916.56
7.4.80.0090.01219.39
7.4.70.0030.01816.53
7.4.60.0140.01016.43
7.4.50.0040.00416.25
7.4.40.0170.00316.49
7.4.30.0080.01116.58
7.4.00.0060.01214.82
7.3.330.0030.00313.25
7.3.320.0000.00613.18
7.3.310.0070.00016.41
7.3.300.0030.00516.39
7.3.290.0100.00716.34
7.3.280.0050.01216.36
7.3.270.0090.01117.40
7.3.260.0160.00816.32
7.3.250.0170.00816.49
7.3.240.0150.00316.27
7.3.230.0140.00716.40
7.3.210.0170.00316.48
7.3.200.0150.00619.39
7.3.190.0100.00916.42
7.3.180.0130.00716.23
7.3.170.0370.01716.57
7.3.160.0050.01516.53
7.3.120.0000.01914.89
7.3.110.0040.01414.88
7.3.100.0090.00914.51
7.3.90.0090.00614.90
7.3.80.0120.00614.61
7.3.70.0040.01114.78
7.3.60.0070.00714.78
7.3.50.0130.00314.63
7.3.40.0090.00615.00
7.3.30.0070.01014.69
7.3.20.0030.01316.39
7.3.10.0070.00716.64
7.3.00.0100.00616.77
7.2.330.0200.00816.67
7.2.320.0090.01816.85
7.2.310.0090.01216.76
7.2.300.0140.00316.80
7.2.290.0160.00516.74
7.2.240.0100.00715.07
7.2.230.0040.01115.15
7.2.220.0080.00615.07
7.2.210.0000.01614.72
7.2.200.0060.01014.85
7.2.190.0030.00615.16
7.2.180.0040.00715.11
7.2.170.0030.01414.80
7.2.160.0090.00914.75
7.2.150.0070.01016.81
7.2.140.0040.01416.79
7.2.130.0070.00716.98
7.2.120.0090.00516.92
7.2.110.0070.00916.83
7.2.100.0050.00916.90
7.2.90.0100.00816.93
7.2.80.0070.00916.83
7.2.70.0070.00817.01
7.2.60.0100.00516.91
7.2.50.0070.01016.86
7.2.40.0110.00616.97
7.2.30.0120.00817.12
7.2.20.0040.01316.81
7.2.10.0110.00916.87
7.2.00.0090.00817.46
7.1.330.0070.01115.75
7.1.320.0060.01015.81
7.1.310.0120.00315.54
7.1.300.0070.00715.98
7.1.290.0120.00315.71
7.1.280.0070.00715.81
7.1.270.0030.01415.79
7.1.260.0090.00915.99
7.1.250.0060.00915.79
7.1.200.0090.00615.86
7.1.100.0030.01018.06
7.1.70.0000.00817.09
7.1.60.0150.01119.34
7.1.50.0070.01517.11
7.1.00.0030.06722.26
7.0.200.0040.00716.52
7.0.140.0000.06722.04
7.0.60.0100.08019.79
7.0.50.0200.02317.91
7.0.40.0070.05320.09
7.0.30.0700.04320.13
7.0.20.0270.08020.19
7.0.10.0330.08720.17
7.0.00.0100.07720.08
5.6.280.0070.07321.05
5.6.210.0070.03720.63
5.6.200.0100.07318.14
5.6.190.0130.08320.49
5.6.180.0030.08720.32
5.6.170.0370.07720.48
5.6.160.0030.04320.48
5.6.150.0030.06018.09
5.6.140.0130.04718.22
5.6.130.0070.04318.17
5.6.120.0070.06721.02
5.6.110.0100.04320.98
5.6.100.0100.04320.98
5.6.90.0070.07320.95
5.6.80.0070.05720.41
5.6.70.4500.04320.52
5.5.350.0030.07720.40
5.5.340.0070.08017.95
5.5.330.0100.08720.19
5.5.320.0370.07020.32
5.5.310.0100.04320.07
5.5.300.0030.04017.86
5.5.290.0100.07017.98
5.5.280.0030.04720.89
5.5.270.0000.09020.88
5.5.260.0100.05320.88
5.5.250.0170.07020.59
5.5.240.0070.07720.24
5.4.450.0470.04319.49
5.4.440.0330.04719.41
5.4.430.0500.05719.56
5.4.420.0130.06019.31
5.4.410.0130.05718.73
5.4.400.0100.05718.77
5.4.390.0070.05718.74
5.4.380.0030.07018.69
5.4.370.0170.05718.66
5.4.360.0030.06018.54
5.4.350.0030.04013.72
5.4.340.0130.04013.67
5.4.320.0170.03714.12
5.4.310.0170.03314.13
5.4.300.0100.03714.14
5.4.290.0070.04014.32
5.4.280.0100.03314.03
5.4.270.0030.04714.21
5.4.260.0100.05314.03
5.4.250.0170.05014.13
5.4.240.0070.05714.06
5.4.230.0000.05714.02
5.4.220.0100.03714.21
5.4.210.0130.03714.10
5.4.200.0100.04014.01
5.4.190.0100.03714.08
5.4.180.0100.03714.06
5.4.170.0130.03714.10
5.4.160.0100.04314.19
5.4.150.0200.02714.02
5.4.140.0070.05013.71
5.4.130.0130.03713.73
5.4.120.0130.03713.81
5.4.110.0200.03313.66
5.4.100.0100.04013.73
5.4.90.0100.04013.89
5.4.80.0130.03713.71
5.4.70.0130.03313.88
5.4.60.0100.03313.68
5.4.50.0200.03713.65
5.4.40.0100.03713.79
5.4.30.0070.04713.63
5.4.20.0130.03713.87
5.4.10.0070.04013.63
5.4.00.0070.03713.30
5.3.290.0170.03014.52
5.3.280.0130.03314.44
5.3.270.0000.04314.64
5.3.260.0130.04714.52
5.3.250.0070.05714.52
5.3.240.0100.03714.52
5.3.230.0100.03714.46
5.3.220.0070.04014.46
5.3.210.0100.04014.45
5.3.200.0100.05314.60
5.3.190.0000.06014.61
5.3.180.0130.05314.46
5.3.170.0030.05314.42
5.3.160.0070.04014.50
5.3.150.0000.04714.57
5.3.140.0070.04014.57
5.3.130.0070.04014.52
5.3.120.0170.04014.58
5.3.110.0070.04014.48
5.3.100.0200.03713.92
5.3.90.0070.04013.86
5.3.80.0070.04013.94
5.3.70.0130.03013.88
5.3.60.0070.03713.87
5.3.50.0070.03713.89
5.3.40.0070.04013.97
5.3.30.0070.03713.85
5.3.20.0030.03713.72
5.3.10.0130.03013.58
5.3.00.0170.02713.54
5.2.170.0070.03311.06
5.2.160.0070.04011.05
5.2.150.0000.03711.01
5.2.140.0030.03711.09
5.2.130.0070.02711.02
5.2.120.0030.03311.18
5.2.110.0100.02311.01
5.2.100.0000.03311.07
5.2.90.0030.03310.98
5.2.80.0030.03711.02
5.2.70.0030.03011.17
5.2.60.0030.03311.14
5.2.50.0000.03710.88
5.2.40.0070.02711.06
5.2.30.0070.02710.96
5.2.20.0000.03311.06
5.2.10.0030.02710.87
5.2.00.0070.03010.63
5.1.60.0000.02710.00
5.1.50.0000.03010.00
5.1.40.0100.0179.96
5.1.30.0030.02710.37
5.1.20.0170.01310.45
5.1.10.0030.02710.07
5.1.00.0100.02010.06
5.0.50.0030.0238.57
5.0.40.0030.0278.32
5.0.30.0100.0338.18
5.0.20.0130.0208.16
5.0.10.0030.0238.13
5.0.00.0070.0308.14
4.4.90.0070.0135.83
4.4.80.0000.0205.85
4.4.70.0030.0175.84
4.4.60.0000.0205.81
4.4.50.0030.0175.85
4.4.40.0100.0205.84
4.4.30.0030.0175.88
4.4.20.0030.0175.91
4.4.10.0000.0205.95
4.4.00.0030.0275.79
4.3.110.0030.0175.75
4.3.100.0070.0135.78
4.3.90.0030.0175.90
4.3.80.0030.0235.72
4.3.70.0030.0175.89
4.3.60.0030.0175.76
4.3.50.0030.0175.71
4.3.40.0100.0205.72
4.3.30.0000.0174.55
4.3.20.0000.0174.46
4.3.10.0030.0134.46
4.3.00.0130.01316.52

preferences:
55.83 ms | 400 KiB | 5 Q