3v4l.org

run code in 300+ PHP versions simultaneously
<?php function usercolor( $username ) { $range = 192 - 64; $factor = $range / 256; $offset = 64; $base_hash = substr(md5($username), 0, 6); $b_R = hexdec(substr($base_hash,0,2)); $b_G = hexdec(substr($base_hash,2,2)); $b_B = hexdec(substr($base_hash,4,2)); $f_R = floor((floor($b_R * $factor) + $offset) / 16) * 16; $f_G = floor((floor($b_G * $factor) + $offset) / 16) * 16; $f_B = floor((floor($b_B * $factor) + $offset) / 16) * 16; return printf('#%02x%02x%02x', $f_R, $f_G, $f_B, true); } for( $i=0; $i<30; $i++ ) { printf('<div style="height: 100px; width: 100px; background-color: %s">&nbsp;</div>'."\n", usercolor(rand())); }

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)
7.4.00.0040.01114.92
7.3.120.0090.00615.06
7.3.110.0030.01515.11
7.3.100.0060.00914.86
7.3.90.0120.00314.86
7.3.80.0140.00014.67
7.3.70.0090.00614.96
7.3.60.0080.00815.00
7.3.50.0030.01014.71
7.3.40.0100.00714.91
7.3.30.0120.00314.81
7.3.20.0030.01016.53
7.3.10.0060.00416.34
7.3.00.0070.00716.53
7.2.250.0080.00615.02
7.2.240.0070.01314.99
7.2.230.0060.00914.79
7.2.220.0090.00615.00
7.2.210.0070.00714.77
7.2.200.0070.00714.91
7.2.190.0030.00615.10
7.2.180.0080.00815.08
7.2.170.0080.00815.11
7.2.160.0040.00415.10
7.2.150.0090.00616.87
7.2.140.0040.01116.88
7.2.130.0070.00416.64
7.2.120.0060.00816.96
7.2.110.0060.00816.78
7.2.100.0050.01016.65
7.2.90.0040.00916.72
7.2.80.0050.01516.88
7.2.70.0120.00816.63
7.2.60.0050.01016.86
7.2.50.0030.01416.85
7.2.40.0130.00616.67
7.2.30.0020.01116.75
7.2.20.0070.01116.64
7.2.10.0130.00916.70
7.2.00.0080.00816.87
7.1.330.0090.00615.96
7.1.320.0070.00715.97
7.1.310.0030.01016.07
7.1.300.0060.00915.50
7.1.290.0060.00915.92
7.1.280.0060.00615.86
7.1.270.0000.00815.86
7.1.260.0070.00715.85
7.1.250.0050.00515.59
7.1.240.0000.01115.54
7.1.230.0040.01115.85
7.1.220.0040.01115.74
7.1.210.0100.00715.71
7.1.200.0040.01115.89
7.1.190.0040.01115.82
7.1.180.0030.01315.94
7.1.170.0030.01015.89
7.1.160.0100.00715.87
7.1.150.0090.00615.84
7.1.140.0030.01015.80
7.1.130.0090.00315.85
7.1.120.0120.00315.82
7.1.110.0070.01015.61
7.1.100.0030.01216.07
7.1.90.0080.00815.90
7.1.80.0040.00815.51
7.1.70.0070.00816.54
7.1.60.0070.01217.91
7.1.50.0020.01116.20
7.1.40.0000.01316.05
7.1.30.0030.01015.82
7.1.20.0030.01015.80
7.1.10.0060.00915.91
7.1.00.0100.03718.99
7.0.330.0030.01015.27
7.0.320.0030.01015.34
7.0.310.0080.00815.12
7.0.300.0030.01015.35
7.0.290.0030.00715.23
7.0.280.0090.00315.40
7.0.270.0070.00715.50
7.0.260.0000.01315.21
7.0.250.0070.00715.32
7.0.240.0000.01415.52
7.0.230.0030.00915.63
7.0.220.0030.01015.48
7.0.210.0000.01315.28
7.0.200.0030.01016.06
7.0.190.0030.01015.56
7.0.180.0030.00715.29
7.0.170.0030.00615.22
7.0.160.0000.01715.45
7.0.150.0070.00715.44
7.0.140.0040.04018.80
7.0.130.0080.00815.29
7.0.120.0080.00315.34
7.0.110.0050.00815.54
7.0.100.0090.00615.49
7.0.90.0070.01015.46
7.0.80.0250.04117.71
7.0.70.0370.03817.52
7.0.60.0300.04717.74
7.0.50.0300.04517.88
7.0.40.0070.04716.84
7.0.30.0100.04316.73
7.0.20.0110.03816.71
7.0.10.0100.04616.71
7.0.00.0120.03216.63
5.6.400.0040.00814.35
5.6.390.0030.01014.42
5.6.380.0060.00614.42
5.6.370.0100.00714.30
5.6.360.0030.00914.34
5.6.350.0030.00614.57
5.6.340.0000.01714.35
5.6.330.0030.01014.45
5.6.320.0040.01113.84
5.6.310.0070.00714.42
5.6.300.0040.01114.14
5.6.290.0030.01314.08
5.6.280.0100.03517.51
5.6.270.0060.00614.35
5.6.260.0040.00714.61
5.6.250.0080.00614.32
5.6.240.0040.00714.41
5.6.230.0050.04417.32
5.6.220.0130.03817.69
5.6.210.0070.04717.34
5.6.200.0080.04517.66
5.6.190.0060.04017.72
5.6.180.0030.04817.75
5.6.170.0080.04017.65
5.6.160.0050.04617.75
5.6.150.0040.04117.77
5.6.140.0120.04317.73
5.6.130.0120.04317.72
5.6.120.0080.04417.68
5.6.110.0080.04517.76
5.6.100.0050.05017.73
5.6.90.0080.04917.77
5.6.80.0070.04217.41
5.6.70.0090.03717.39
5.6.60.0070.04317.26
5.6.50.0070.04217.43
5.6.40.0080.04317.42
5.6.30.0160.03117.44
5.6.20.0050.04917.26
5.6.10.0080.04017.33
5.6.00.0060.03817.40
5.5.380.0030.00914.21
5.5.370.0050.04117.38
5.5.360.0030.04117.49
5.5.350.0070.04217.48
5.5.340.0070.03817.65
5.5.330.0100.04017.58
5.5.320.0120.03717.57
5.5.310.0080.04517.54
5.5.300.0020.03717.47
5.5.290.0050.04217.66
5.5.280.0070.03917.62
5.5.270.0130.03517.49
5.5.260.0090.04017.54
5.5.250.0090.03517.53
5.5.240.0150.03517.28
5.5.230.0050.04717.04
5.5.220.0080.04317.38
5.5.210.0050.04517.17
5.5.200.0120.03817.28
5.5.190.0050.04217.14
5.5.180.0100.04517.09
5.5.170.0090.00614.45
5.5.160.0150.03817.27
5.5.150.0110.03917.13
5.5.140.0070.04417.22
5.5.130.0090.04517.21
5.5.120.0050.04717.23
5.5.110.0100.04217.15
5.5.100.0140.03917.22
5.5.90.0050.04317.06
5.5.80.0050.04317.06
5.5.70.0110.03917.12
5.5.60.0060.04417.04
5.5.50.0060.03617.29
5.5.40.0120.02817.20
5.5.30.0070.04216.99
5.5.20.0080.04517.22
5.5.10.0060.04317.14
5.5.00.0030.04617.15
5.4.450.0040.04615.33
5.4.440.0090.04115.34
5.4.430.0020.04615.32
5.4.420.0050.04415.23
5.4.410.0070.03215.27
5.4.400.0060.03815.09
5.4.390.0110.03615.16
5.4.380.0070.04115.11
5.4.370.0030.04615.07
5.4.360.0110.03815.12
5.4.350.0000.04615.13
5.4.340.0000.04815.15
5.4.330.0000.01011.20
5.4.320.0100.03815.13
5.4.310.0050.04215.14
5.4.300.0030.04315.05
5.4.290.0050.04215.23
5.4.280.0030.04515.05
5.4.270.0100.03915.04
5.4.260.0020.04315.16
5.4.250.0100.03715.19
5.4.240.0130.03315.14
5.4.230.0070.02215.12
5.4.220.0100.03815.17
5.4.210.0040.04215.20
5.4.200.0100.03815.14
5.4.190.0100.03515.21
5.4.180.0070.03915.22
5.4.170.0070.04415.04
5.4.160.0070.04215.13
5.4.150.0070.02815.15
5.4.140.0050.02213.93
5.4.130.0050.04213.76
5.4.120.0110.03513.75
5.4.110.0120.03513.78
5.4.100.0030.04113.86
5.4.90.0050.04013.83
5.4.80.0090.03713.77
5.4.70.0050.03913.87
5.4.60.0070.03713.84
5.4.50.0080.03613.84
5.4.40.0020.04613.85
5.4.30.0050.04013.72
5.4.20.0100.03213.82
5.4.10.0070.03813.75
5.4.00.0050.04313.53
5.3.290.0080.04212.90
5.3.280.0070.03812.90
5.3.270.0050.04612.87
5.3.260.0070.04112.91
5.3.250.0040.03612.89
5.3.240.0090.03912.89
5.3.230.0050.02312.95
5.3.220.0090.03812.90
5.3.210.0050.03012.85
5.3.200.0050.04012.86
5.3.190.0030.04612.89
5.3.180.0110.03912.90
5.3.170.0080.03512.94
5.3.160.0070.04012.95
5.3.150.0050.04112.85
5.3.140.0030.03212.95
5.3.130.0100.03512.85
5.3.120.0030.04512.84
5.3.110.0090.03612.91
5.3.100.0070.04012.63
5.3.90.0100.04012.58
5.3.80.0050.04012.65
5.3.70.0070.04012.60
5.3.60.0140.03312.67
5.3.50.0050.02812.63
5.3.40.0070.03912.61
5.3.30.0030.04312.52
5.3.20.0060.03812.51
5.3.10.0050.03412.48
5.3.00.0080.03712.43
5.2.170.0000.06711.86
5.2.160.0070.04311.86
5.2.150.0100.06011.86
5.2.140.0030.06711.86
5.2.130.0100.06011.86
5.2.120.0000.06311.86
5.2.110.0070.05711.86
5.2.100.0000.05711.86
5.2.90.0030.04711.86
5.2.80.0070.06311.86
5.2.70.0100.06311.86
5.2.60.0070.06311.86
5.2.50.0030.07011.86
5.2.40.0070.06011.86
5.2.30.0030.05311.86
5.2.20.0100.06011.86
5.2.10.0070.03011.86
5.2.00.0030.05311.86
5.1.60.0070.02311.86
5.1.50.0030.02711.86
5.1.40.0070.03011.86
5.1.30.0030.03011.86
5.1.20.0070.05011.86
5.1.10.0070.04711.86
5.1.00.0070.03711.86
5.0.50.0000.02311.86
5.0.40.0000.02011.86
5.0.30.0000.03711.86
5.0.20.0000.02011.86
5.0.10.0030.02011.86
5.0.00.0030.06011.86
4.4.90.0070.02011.86
4.4.80.0070.03311.86
4.4.70.0030.03711.86
4.4.60.0100.03011.86
4.4.50.0000.03711.86
4.4.40.0030.05011.86
4.4.30.0030.02011.86
4.4.20.0100.00711.86
4.4.10.0000.01711.86
4.4.00.0000.02711.86
4.3.110.0100.02311.86
4.3.100.0000.01711.86
4.3.90.0030.01311.86
4.3.80.0000.03711.86
4.3.70.0030.03011.86
4.3.60.0030.01711.86
4.3.50.0000.02011.86
4.3.40.0000.02311.86
4.3.30.0030.03311.86
4.3.20.0030.02011.86
4.3.10.0000.02011.86
4.3.00.0000.01711.86

preferences:
39.25 ms | 400 KiB | 5 Q