3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r = 5; $f = 'somethingdumb'; function csc($c, $a) { if ($a < 0) { return csc($c, $a + 26); } $cd = ord($c); if (($cd >= 65) && ($cd <= 90)) { $c = chr((($cd - 65 + $a) % 26) + 65); } if (($cd >= 97) && ($cd <= 122)) { $c = chr((($cd - 97 + $a) % 26) + 97); } return $c; }; function crs($f) { global $r; $a = str_split($f); $cd = ""; for ($i=0; $i<count($a); $i++) { echo (($i+1) * $r). " | "; $cd .= csc($a[$i], ($i+1) * $r); } echo "\n"; return $cd; } function rcs($f, $o) { $a = str_split($f); $cd = ""; for ($i=0; $i<count($a); $i++) { echo (($i+1) * $o). " | "; $cd .= csc($a[$i], ($i+1) * $r); } return $cd; } var_dump(crs($f)); var_dump($r); var_dump(rcs($f, abs($r)));

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)
8.3.60.0210.00018.68
8.3.50.0120.00318.16
8.3.40.0130.01018.79
8.3.30.0090.00618.66
8.3.20.0080.00019.46
8.3.10.0040.00421.94
8.3.00.0040.00420.69
8.2.180.0130.00318.04
8.2.170.0000.01522.96
8.2.160.0000.01520.31
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00819.84
8.2.120.0000.00826.35
8.2.110.0070.00421.02
8.2.100.0040.00818.05
8.2.90.0060.00317.88
8.2.80.0040.00417.97
8.2.70.0060.00317.93
8.2.60.0000.00818.22
8.2.50.0090.00018.10
8.2.40.0040.00419.23
8.2.30.0040.00419.22
8.2.20.0050.00318.14
8.2.10.0040.00418.15
8.2.00.0030.00517.82
8.1.280.0140.00325.92
8.1.270.0050.00322.19
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00322.02
8.1.230.0090.00319.08
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0050.00218.91
8.1.150.0020.00518.87
8.1.140.0070.00022.23
8.1.130.0000.00720.37
8.1.120.0110.00017.54
8.1.110.0030.00617.48
8.1.100.0040.00417.51
8.1.90.0000.00817.48
8.1.80.0040.00417.50
8.1.70.0000.00717.45
8.1.60.0050.00317.62
8.1.50.0030.00517.58
8.1.40.0050.00317.56
8.1.30.0040.00717.66
8.1.20.0050.00317.58
8.1.10.0040.00417.68
8.1.00.0030.00517.44
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.48
8.0.270.0030.00317.18
8.0.260.0030.00318.54
8.0.250.0040.00417.02
8.0.240.0060.00017.08
8.0.230.0030.00317.04
8.0.220.0000.00716.98
8.0.210.0030.00316.88
8.0.200.0000.00717.07
8.0.190.0080.00017.06
8.0.180.0000.00817.09
8.0.170.0080.00017.04
8.0.160.0000.00716.89
8.0.150.0060.00716.95
8.0.140.0070.00016.88
8.0.130.0030.00313.50
8.0.120.0050.00316.98
8.0.110.0090.00016.90
8.0.100.0030.00516.81
8.0.90.0040.00416.86
8.0.80.0100.00716.96
8.0.70.0070.00017.04
8.0.60.0040.00417.03
8.0.50.0000.00716.77
8.0.30.0070.00917.36
8.0.20.0140.00517.40
8.0.10.0000.00717.13
8.0.00.0140.00516.79
7.4.330.0000.00415.55
7.4.320.0000.00616.54
7.4.300.0070.00016.53
7.4.290.0000.00816.45
7.4.280.0030.00616.61
7.4.270.0100.00016.51
7.4.260.0030.00316.42
7.4.250.0050.00316.52
7.4.240.0040.00416.50
7.4.230.0040.00416.75
7.4.220.0040.00416.52
7.4.210.0070.00916.65
7.4.200.0070.00016.34
7.4.160.0050.01016.60
7.4.140.0120.00717.86
7.4.130.0110.00716.56
7.4.120.0110.00816.59
7.4.110.0070.01516.59
7.4.100.0080.01016.66
7.4.90.0190.00016.56
7.4.80.0100.01319.39
7.4.70.0140.00316.73
7.4.60.0160.00316.41
7.4.50.0100.00316.58
7.4.40.0090.00916.60
7.4.00.0070.01015.15
7.3.330.0030.00313.39
7.3.320.0000.00613.36
7.3.310.0000.00916.27
7.3.300.0030.00316.41
7.3.290.0070.00016.35
7.3.280.0090.00616.37
7.3.260.0120.00916.49
7.3.240.0160.00616.58
7.3.230.0080.01416.51
7.3.210.0100.00716.62
7.3.200.0100.00716.41
7.3.190.0130.01016.44
7.3.180.0060.01416.58
7.3.170.0140.00716.58
7.3.160.0180.00016.53
7.3.10.0000.00916.77
7.3.00.0070.00716.71
7.2.330.0100.01016.62
7.2.320.0090.00916.88
7.2.310.0040.01516.55
7.2.300.0090.00916.77
7.2.290.0080.01116.75
7.2.130.0070.00416.92
7.2.120.0030.01316.98
7.2.110.0070.00816.59
7.2.100.0080.00716.76
7.2.90.0050.00816.52
7.2.80.0080.00616.90
7.2.70.0100.00516.73
7.2.60.0090.00516.82
7.2.50.0100.00216.85
7.2.40.0050.00816.96
7.2.30.0070.00717.03
7.2.20.0100.00517.03
7.2.10.0080.00516.92
7.2.00.0060.00616.91
7.1.250.0070.00715.63
7.1.230.0040.01115.34
7.1.220.0070.00715.48
7.1.210.0130.00315.69
7.1.200.0070.00715.39
7.1.190.0110.00715.66
7.1.180.0070.00715.54
7.1.170.0030.01215.73
7.1.160.0030.01015.52
7.1.150.0090.00315.64
7.1.140.0040.00815.44
7.1.130.0110.00315.82
7.1.120.0100.00615.67
7.1.110.0060.01015.58
7.1.100.0120.00615.67
7.1.90.0090.00715.81
7.1.80.0050.00715.82
7.1.70.0040.00815.80
7.1.60.0190.01333.80
7.1.50.0280.00633.46
7.1.40.0210.01433.68
7.1.30.0280.01233.41
7.1.20.0250.00733.51
7.1.10.0000.01515.51
7.1.00.0050.01015.72
5.6.380.0060.01014.35

preferences:
54.85 ms | 401 KiB | 5 Q