3v4l.org

run code in 300+ PHP versions simultaneously
<?php function rgb2cmyk($r, $g, $b) { $c = 255 - $r; $m = 255 - $g; $y = 255 - $b; $b = min($c, $m, $y); $c = round(($c - $b) / (255 - $b)); $m = round(($m - $b) / (255 - $b)); $y = round(($y - $b) / (255 - $b)); $k = round($b / 255); return array($c, $m, $y, $k); } function cmyk2rgb($c, $m, $y, $k) { $r = 255 - round(255 * ($c - $c * $k - $k)); $g = 255 - round(255 * ($m - $m * $k - $k)); $b = 255 - round(255 * ($y - $y * $k - $k)); return array($r, $g, $b); } for ($i = 0; $i < 20; $i++) { $r = rand() % 255; $g = rand() % 255; $b = rand() % 255; echo "$i. $r, $g, $b -> "; $cmyk = rgb2cmyk($r, $g, $b); echo "{$cmyk[0]}, {$cmyk[1]}, {$cmyk[2]}, {$cmyk[3]} -> "; $rgb = cmyk2rgb($cmyk[0], $cmyk[1], $cmyk[2], $cmyk[3]); echo "{$rgb[0]}, {$rgb[1]}, {$rgb[2]}"; echo "\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)
7.2.00.0070.00719.36
7.1.70.0040.00417.13
7.1.60.0030.01719.31
7.1.50.0100.01316.75
7.1.00.0070.07322.68
7.0.200.0060.00916.91
7.0.140.0030.07322.31
7.0.80.0630.08020.20
7.0.70.0570.06320.13
7.0.60.0670.07020.15
7.0.50.0270.08020.54
7.0.40.0100.08020.30
7.0.30.0100.05320.34
7.0.20.0070.08720.29
7.0.10.0130.07320.21
7.0.00.0030.09020.24
5.6.280.0100.06721.33
5.6.230.0130.07720.86
5.6.220.0100.07720.73
5.6.210.0130.07320.93
5.6.200.0100.07721.25
5.6.190.0100.08321.34
5.6.180.0000.07321.19
5.6.170.0130.04721.34
5.6.160.0100.07021.16
5.6.150.0030.09021.15
5.6.140.0130.07721.24
5.6.130.0170.08021.19
5.6.120.0070.08021.25
5.6.110.0130.08021.28
5.6.100.0200.06021.16
5.6.90.0170.07721.18
5.6.80.0130.07020.66
5.6.70.0070.08320.65
5.6.60.0100.05020.72
5.6.50.0070.08320.58
5.6.40.0030.07320.56
5.6.30.0000.09020.60
5.6.20.0100.08320.64
5.6.10.0030.08720.58
5.6.00.0070.06720.59
5.5.370.0130.08020.75
5.5.360.0170.07020.51
5.5.350.0030.05020.59
5.5.340.0100.07020.97
5.5.330.0130.07721.04
5.5.320.0100.07721.07
5.5.310.0070.09021.04
5.5.300.0170.07321.05
5.5.290.0100.07321.00
5.5.280.0130.08320.88
5.5.270.0170.07320.95
5.5.260.0030.09320.96
5.5.250.0100.07720.85
5.5.240.0070.07720.48
5.5.230.0070.05020.23
5.5.220.0070.04320.34
5.5.210.0200.06320.39
5.5.200.0070.07720.33
5.5.190.0100.07020.40
5.5.180.0070.08720.45
5.5.160.0070.08720.21
5.5.150.0100.07020.32
5.5.140.0070.06720.39
5.5.130.0070.08020.34
5.5.120.0130.07320.32
5.5.110.0130.07320.41
5.5.100.0170.05720.39
5.5.90.0070.07720.28
5.5.80.0070.07320.36
5.5.70.0000.08720.28
5.5.60.0270.06020.17
5.5.50.0070.07720.29
5.5.40.0200.06320.39
5.5.30.0070.08320.39
5.5.20.0130.07320.32
5.5.10.0030.08020.30
5.5.00.0070.08020.24
5.4.450.0130.06719.50
5.4.440.0170.07019.52
5.4.430.0000.08019.36
5.4.420.0030.07719.38
5.4.410.0130.04319.35
5.4.400.0100.08019.07
5.4.390.0030.07719.30
5.4.380.0200.06719.23
5.4.370.0030.06319.30
5.4.360.0000.07019.16
5.4.350.0100.08019.13
5.4.340.0030.08319.17
5.4.320.0000.08319.23
5.4.310.0000.06719.02
5.4.300.0100.05719.13
5.4.290.0070.07319.21
5.4.280.0030.08319.31
5.4.270.0100.07719.30
5.4.260.0070.05319.15
5.4.250.0070.07319.16
5.4.240.0070.07319.34
5.4.230.0030.08019.10
5.4.220.0070.06719.21
5.4.210.0030.08719.13
5.4.200.0130.07019.23
5.4.190.0130.07319.14
5.4.180.0100.07319.12
5.4.170.0100.05719.02
5.4.160.0030.08719.28
5.4.150.0030.06719.29
5.4.140.0070.05316.66
5.4.130.0070.06316.73
5.4.120.0070.07716.49
5.4.110.0070.07716.68
5.4.100.0200.06016.68
5.4.90.0130.07016.63
5.4.80.0000.07316.56
5.4.70.0130.06316.73
5.4.60.0100.07016.60
5.4.50.0000.06316.60
5.4.40.0100.07016.65
5.4.30.0030.08016.64
5.4.20.0100.07016.66
5.4.10.0030.06716.62
5.4.00.0070.07715.97
5.3.290.0000.09014.84
5.3.280.0070.07314.72
5.3.270.0070.04014.85
5.3.260.0130.07314.87
5.3.250.0030.08314.78
5.3.240.0030.04014.74
5.3.230.0030.08014.75
5.3.220.0070.06714.72
5.3.210.0070.07714.79
5.3.200.0070.06714.73
5.3.190.0070.08014.74
5.3.180.0100.07714.78
5.3.170.0030.08314.72
5.3.160.0070.07314.82
5.3.150.0100.07014.70
5.3.140.0070.08014.80
5.3.130.0070.06714.71
5.3.120.0070.07714.71
5.3.110.0130.07014.80
5.3.100.0130.05314.27
5.3.90.0030.06314.17
5.3.80.0030.07314.25
5.3.70.0070.07714.14
5.3.60.0070.04014.26
5.3.50.0030.06014.23
5.3.40.0100.06714.16
5.3.30.0100.05714.04
5.3.20.0170.05313.96
5.3.10.0100.06013.92
5.3.00.0000.07313.81
5.2.170.0100.06311.82
5.2.160.0070.04711.82
5.2.150.0130.05711.82
5.2.140.0030.03311.82
5.2.130.0030.06011.82
5.2.120.0070.05711.82
5.2.110.0030.06711.82
5.2.100.0130.05311.82
5.2.90.0170.05711.82
5.2.80.0070.06011.82
5.2.70.0130.05311.82
5.2.60.0070.06011.82
5.2.50.0130.05011.82
5.2.40.0130.05711.82
5.2.30.0100.06011.82
5.2.20.0070.06011.82
5.2.10.0100.06311.82
5.2.00.0100.06011.82
5.1.60.0070.05011.82
5.1.50.0070.05711.82
5.1.40.0070.05711.82
5.1.30.0070.05711.82
5.1.20.0030.03011.82
5.1.10.0000.02711.82
5.1.00.0030.02711.82
5.0.50.0000.02311.82
5.0.40.0030.02011.82
5.0.30.0000.04011.82
5.0.20.0000.02711.82
5.0.10.0000.02011.82
5.0.00.0000.03011.82
4.4.90.0000.03711.82
4.4.80.0000.04011.82
4.4.70.0030.04011.82
4.4.60.0030.02711.82
4.4.50.0000.03711.82
4.4.40.0000.05711.82
4.4.30.0000.03711.82
4.4.20.0000.02011.82
4.4.10.0030.01711.82
4.4.00.0000.02711.82
4.3.110.0000.01711.82
4.3.100.0030.02311.82
4.3.90.0000.01711.82
4.3.80.0000.02311.82
4.3.70.0000.02311.82
4.3.60.0030.01311.82
4.3.50.0000.01311.82
4.3.40.0000.03711.82
4.3.30.0030.01711.82
4.3.20.0000.03011.82
4.3.10.0000.02311.82
4.3.00.0000.03311.82

preferences:
31.79 ms | 400 KiB | 5 Q