3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vowels = array('a','e','i','o','u'); $other = array(); $prev = null; for ($x=0,$s=null,$s=null;$x<4;$x++) { if (in_array($prev, $other)) { $s .= $vowels[mt_rand(0,4)]; } else { $s .= $other[mt_rand(0,4)]; } $prev = $s; } echo $s;

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)
7.4.10.0060.01314.95
7.4.00.0070.01114.74
7.3.130.0100.01014.77
7.3.120.0090.00814.97
7.3.110.0000.01514.99
7.3.100.0060.01014.84
7.3.90.0050.00815.01
7.3.80.0070.00514.75
7.3.70.0080.00514.77
7.3.60.0090.00614.82
7.3.50.0080.00614.63
7.3.40.0030.01314.73
7.3.30.0100.00714.77
7.3.20.0050.00516.60
7.3.10.0030.01416.56
7.3.00.0080.00616.51
7.2.260.0070.01014.96
7.2.250.0080.01015.15
7.2.240.0070.01214.87
7.2.230.0040.01114.96
7.2.220.0050.00514.92
7.2.210.0060.00815.24
7.2.200.0050.00915.04
7.2.190.0060.01115.17
7.2.180.0110.00515.11
7.2.170.0040.00915.20
7.2.160.0110.00414.78
7.2.150.0000.01617.04
7.2.140.0000.01117.07
7.2.130.0030.01517.20
7.2.120.0120.00016.99
7.2.110.0070.00316.92
7.2.100.0060.00916.61
7.2.90.0040.01216.52
7.2.80.0070.01016.72
7.2.70.0040.00716.98
7.2.60.0030.00916.81
7.2.50.0030.00917.13
7.2.40.0060.00916.64
7.2.30.0080.00317.14
7.2.20.0060.01217.05
7.2.10.0030.01216.97
7.2.00.0040.00917.95
7.1.330.0050.00815.82
7.1.320.0050.00915.68
7.1.310.0080.00515.70
7.1.300.0100.00515.71
7.1.290.0060.00815.88
7.1.280.0090.00715.78
7.1.270.0090.00515.65
7.1.260.0070.00615.62
7.1.250.0110.00415.79
7.1.240.0060.01015.91
7.1.230.0090.00615.66
7.1.220.0070.00715.95
7.1.210.0070.00715.79
7.1.200.0000.01315.75
7.1.190.0030.00915.82
7.1.180.0000.01415.77
7.1.170.0060.00915.82
7.1.160.0060.00915.79
7.1.150.0000.01515.94
7.1.140.0030.01315.70
7.1.130.0050.00515.91
7.1.120.0060.00615.80
7.1.110.0100.00315.98
7.1.100.0070.01015.63
7.1.90.0030.01016.01
7.1.80.0070.00416.03
7.1.70.0050.00516.59
7.1.60.0100.00717.57
7.1.50.0100.00716.43
7.1.40.0080.00615.77
7.1.30.0060.00915.71
7.1.20.0130.00015.92
7.1.10.0060.01015.62
7.1.00.0020.02319.15
7.0.330.0030.00715.21
7.0.320.0030.00615.44
7.0.310.0000.01015.49
7.0.300.0060.00915.19
7.0.290.0100.00315.41
7.0.280.0000.00915.20
7.0.270.0100.00615.38
7.0.260.0040.00815.29
7.0.250.0040.00415.29
7.0.240.0070.00715.45
7.0.230.0040.00815.55
7.0.220.0040.00715.58
7.0.210.0080.00815.59
7.0.200.0050.00816.08
7.0.190.0070.00315.42
7.0.180.0110.00315.47
7.0.170.0060.00615.22
7.0.160.0000.01015.44
7.0.150.0070.01015.50
7.0.140.0050.04018.73
7.0.130.0070.00315.65
7.0.120.0030.04018.82
7.0.110.0000.01215.41
7.0.100.0070.00715.57
7.0.90.0060.01015.49
7.0.80.0000.00815.54
7.0.70.0060.00615.21
7.0.60.0030.04917.61
7.0.50.0100.04216.55
7.0.40.0050.04016.69
7.0.30.0050.04116.80
7.0.20.0030.05216.85
7.0.10.0050.04216.68
7.0.00.0020.05216.66
5.6.400.0030.01014.17
5.6.390.0040.00714.27
5.6.380.0040.00414.17
5.6.370.0090.00613.98
5.6.360.0070.00714.30
5.6.350.0030.01014.63
5.6.340.0000.01113.99
5.6.330.0030.01014.43
5.6.320.0060.00914.79
5.6.310.0030.00714.71
5.6.300.0070.00714.61
5.6.290.0000.01214.20
5.6.280.0070.04017.82
5.6.270.0090.00614.54
5.6.260.0060.00614.48
5.6.250.0030.01014.57
5.6.240.0110.00314.27
5.6.230.0030.00714.68
5.6.220.0000.00914.29
5.6.210.0020.03017.41
5.6.200.0110.03316.40
5.6.190.0040.04717.40
5.6.180.0040.04117.29
5.6.170.0030.04517.41
5.6.160.0060.04117.57
5.6.150.0060.04317.34
5.6.140.0050.04817.29
5.6.130.0050.04717.27
5.6.120.0040.04717.27
5.6.110.0070.03217.38
5.6.100.0020.05117.14
5.6.90.0060.02017.21
5.6.80.0050.02317.01
5.6.70.0020.02516.95
5.6.60.0060.02116.98
5.6.50.0050.02517.13
5.6.40.0030.02216.79
5.6.30.0050.02717.06
5.6.20.0100.03817.16
5.6.10.0040.03616.95
5.6.00.0030.03317.00
5.5.380.0040.00814.48
5.5.370.0070.00414.29
5.5.360.0040.00814.50
5.5.350.0130.01717.26
5.5.340.0070.02516.03
5.5.330.0050.04417.32
5.5.320.0020.04717.28
5.5.310.0030.04717.46
5.5.300.0030.04417.15
5.5.290.0060.04417.25
5.5.280.0130.03817.16
5.5.270.0030.04517.33
5.5.260.0050.02617.15
5.5.250.0050.02017.22
5.5.240.0070.02816.75
5.5.230.0040.02416.68
5.5.220.0020.02816.91
5.5.210.0030.02216.94
5.5.200.0030.02516.88
5.5.190.0040.04516.84
5.5.180.0050.03316.91
5.5.170.0030.00814.39
5.5.160.0070.02116.83
5.5.150.0090.02016.71
5.5.140.0020.02616.78
5.5.130.0050.02216.81
5.5.120.0030.02316.89
5.5.110.0040.01817.08
5.5.100.0030.02316.93
5.5.90.0020.02516.73
5.5.80.0040.03716.75
5.5.70.0070.01816.74
5.5.60.0020.02416.76
5.5.50.0050.03616.81
5.5.40.0050.02216.72
5.5.30.0030.02616.68
5.5.20.0080.01816.76
5.5.10.0030.03316.83
5.5.00.0060.04116.84
5.4.450.0050.03515.16
5.4.440.0020.04815.13
5.4.430.0130.04015.15
5.4.420.0040.04115.22
5.4.410.0050.02315.16
5.4.400.0000.02515.06
5.4.390.0030.02214.96
5.4.380.0030.02114.98
5.4.370.0050.01814.95
5.4.360.0000.02314.95
5.4.350.0070.03314.81
5.4.340.0020.04215.09
5.4.330.0080.00310.88
5.4.320.0020.02314.96
5.4.310.0060.01815.14
5.4.300.0020.02014.96
5.4.290.0030.02214.78
5.4.280.0060.02015.07
5.4.270.0020.02115.05
5.4.260.0030.02114.80
5.4.250.0060.01615.04
5.4.240.0030.02214.92
5.4.230.0010.02315.06
5.4.220.0030.02315.08
5.4.210.0020.02415.11
5.4.200.0020.02014.96
5.4.190.0070.02015.01
5.4.180.0000.02215.05
5.4.170.0030.04314.92
5.4.160.0040.03814.91
5.4.150.0050.04315.07
5.4.140.0040.04313.60
5.4.130.0080.03513.65
5.4.120.0050.04013.61
5.4.110.0000.03913.44
5.4.100.0020.03913.57
5.4.90.0070.03813.66
5.4.80.0030.04113.56
5.4.70.0140.03313.74
5.4.60.0020.04213.61
5.4.50.0030.03413.65
5.4.40.0080.03013.58
5.4.30.0050.03513.71
5.4.20.0030.03713.66
5.4.10.0020.03913.60
5.4.00.0050.03613.34
5.3.290.0040.02112.57
5.3.280.0060.01512.54
5.3.270.0040.04112.54
5.3.260.0050.04112.53
5.3.250.0030.03912.60
5.3.240.0060.03612.52
5.3.230.0050.04012.56
5.3.220.0060.04012.52
5.3.210.0040.04212.52
5.3.200.0050.04212.49
5.3.190.0030.04212.54
5.3.180.0050.03912.52
5.3.170.0090.03612.50
5.3.160.0080.03712.52
5.3.150.0030.04112.53
5.3.140.0050.04012.48
5.3.130.0030.03812.53
5.3.120.0030.03212.48
5.3.110.0030.04112.52
5.3.100.0020.04412.26
5.3.90.0030.04212.25
5.3.80.0020.04212.25
5.3.70.0030.03812.19
5.3.60.0030.04012.17
5.3.50.0080.03512.23
5.3.40.0020.04412.21
5.3.30.0030.02812.14
5.3.20.0030.03812.09
5.3.10.0000.04012.01
5.3.00.0060.04112.03
5.2.170.0000.06011.95
5.2.160.0000.05011.95
5.2.150.0030.06711.95
5.2.140.0070.05711.95
5.2.130.0030.05711.95
5.2.120.0030.06011.95
5.2.110.0030.04711.95
5.2.100.0030.06311.95
5.2.90.0100.05011.95
5.2.80.0070.04711.95
5.2.70.0030.05711.95
5.2.60.0070.03711.95
5.2.50.0030.06011.95
5.2.40.0000.05311.95
5.2.30.0030.05711.95
5.2.20.0000.06311.95
5.2.10.0000.06711.95
5.2.00.0030.05011.95
5.1.60.0000.05011.95
5.1.50.0030.05011.95
5.1.40.0070.05011.95
5.1.30.0000.05011.95
5.1.20.0000.06011.95
5.1.10.0030.05711.95
5.1.00.0030.05311.95
5.0.50.0000.04711.95
5.0.40.0000.05011.95
5.0.30.0100.05311.95
5.0.20.0000.04011.95
5.0.10.0000.04711.95
5.0.00.0000.06011.95
4.4.90.0000.02711.95
4.4.80.0030.03311.95
4.4.70.0030.03711.95
4.4.60.0030.02311.95
4.4.50.0000.04011.95
4.4.40.0000.05011.95
4.4.30.0000.03711.95
4.4.20.0070.03311.95
4.4.10.0030.03311.95
4.4.00.0000.05711.95
4.3.110.0070.03311.95
4.3.100.0100.03011.95
4.3.90.0070.03311.95
4.3.80.0000.05711.95
4.3.70.0000.03011.95
4.3.60.0030.03311.95
4.3.50.0030.03011.95
4.3.40.0100.04311.95
4.3.30.0000.03011.95
4.3.20.0000.02011.95
4.3.10.0000.04011.95
4.3.00.0000.03711.95

preferences:
38.66 ms | 404 KiB | 6 Q