3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'bcdfghjklmnpqrstvwxyz0123456789'; $vowels = array('a', 'e', 'i', 'o', 'u'); $vowels_a = 'aeiou'; for ($x=0,$r=null;$x<8;$x++) { if (!in_array(substr($r,strlen($r)-1,1), $vowels)) { $r .= substr($vowels_a, mt_rand(0, strlen($vowels_a) - 1), 1); } else { $r .= substr($a, mt_rand(0, strlen($a) - 1), 1); } } echo $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)
7.4.00.0030.01414.77
7.3.120.0130.00614.79
7.3.110.0120.00614.64
7.3.100.0100.01014.99
7.3.90.0070.00714.55
7.3.80.0060.00314.79
7.3.70.0080.00914.91
7.3.60.0040.01114.56
7.3.50.0070.00714.83
7.3.40.0000.01314.80
7.3.30.0070.00714.82
7.3.20.0130.00316.58
7.3.10.0110.00616.72
7.3.00.0050.01016.53
7.2.250.0060.01314.87
7.2.240.0120.00615.18
7.2.230.0070.00714.88
7.2.220.0060.00315.25
7.2.210.0060.00615.03
7.2.200.0080.00315.14
7.2.190.0060.00914.95
7.2.180.0030.01314.73
7.2.170.0130.00314.96
7.2.160.0030.01015.10
7.2.150.0030.01216.85
7.2.140.0060.00916.81
7.2.130.0070.00916.71
7.2.120.0090.00716.84
7.2.110.0070.00816.77
7.2.100.0120.00316.74
7.2.90.0130.00216.67
7.2.80.0080.00816.77
7.2.70.0100.00716.78
7.2.60.0070.00816.79
7.2.50.0060.00816.54
7.2.40.0050.00916.83
7.2.30.0100.00716.70
7.2.20.0050.01016.79
7.2.10.0100.00816.85
7.2.00.0070.00717.73
7.1.330.0050.01315.77
7.1.320.0110.00315.46
7.1.310.0100.00315.68
7.1.300.0000.01115.76
7.1.290.0080.00415.72
7.1.280.0030.00915.84
7.1.270.0070.01015.77
7.1.260.0000.01015.86
7.1.250.0100.00715.83
7.1.240.0070.01015.68
7.1.230.0090.00615.68
7.1.220.0090.00815.70
7.1.210.0080.00915.78
7.1.200.0060.01115.75
7.1.190.0070.01015.68
7.1.180.0080.00715.56
7.1.170.0050.00915.71
7.1.160.0060.01115.63
7.1.150.0090.00715.77
7.1.140.0050.00515.81
7.1.130.0100.00315.66
7.1.120.0040.00515.73
7.1.110.0060.01015.71
7.1.100.0050.00815.79
7.1.90.0020.01215.88
7.1.80.0070.01015.72
7.1.70.0050.00516.30
7.1.60.0070.01217.06
7.1.50.0100.00716.05
7.1.40.0130.00415.65
7.1.30.0030.00815.54
7.1.20.0080.00515.77
7.1.10.0090.00515.46
7.1.00.0060.03217.97
7.0.330.0080.00615.30
7.0.320.0070.00915.32
7.0.310.0060.01015.26
7.0.300.0080.00715.18
7.0.290.0070.00915.04
7.0.280.0070.00715.29
7.0.270.0070.00415.32
7.0.260.0070.00715.10
7.0.250.0060.00615.42
7.0.240.0090.00615.33
7.0.230.0050.00715.21
7.0.220.0100.00715.12
7.0.210.0070.00515.30
7.0.200.0050.00915.72
7.0.190.0080.00815.39
7.0.180.0080.00815.38
7.0.170.0080.00615.14
7.0.160.0040.00915.38
7.0.150.0050.01215.21
7.0.140.0030.03017.60
7.0.130.0060.01115.23
7.0.120.0040.00815.34
7.0.110.0070.00915.45
7.0.100.0050.00715.22
7.0.90.0050.00715.16
7.0.80.0070.00715.39
7.0.70.0100.00615.47
7.0.60.0040.03216.88
7.0.50.0090.01816.22
7.0.40.0050.02115.44
7.0.30.0130.02215.64
7.0.20.0100.02915.62
7.0.10.0140.01615.60
7.0.00.0110.02415.67
5.6.400.0030.01014.18
5.6.390.0040.00814.37
5.6.380.0050.01014.50
5.6.370.0070.00814.11
5.6.360.0090.00614.15
5.6.350.0060.00714.47
5.6.340.0080.00814.13
5.6.330.0070.00814.20
5.6.320.0060.01014.24
5.6.310.0020.01314.32
5.6.300.0080.01014.47
5.6.290.0120.00514.51
5.6.280.0080.02716.59
5.6.270.0070.00714.12
5.6.260.0090.00514.20
5.6.250.0030.01114.21
5.6.240.0030.00814.36
5.6.230.0110.00513.96
5.6.220.0020.01214.04
5.6.210.0060.03416.41
5.6.200.0070.03415.58
5.6.190.0100.03316.23
5.6.180.1310.02116.50
5.6.170.0120.03116.41
5.6.160.0080.02516.53
5.6.150.0070.02415.69
5.6.140.0140.03015.54
5.6.130.0080.03515.65
5.6.120.0130.02916.57
5.6.110.0080.03016.49
5.6.100.0090.03316.68
5.6.90.0070.03216.42
5.6.80.0090.03216.18
5.6.70.0170.03216.30
5.6.60.0090.00314.04
5.6.50.0020.01314.10
5.6.40.0070.00714.15
5.6.30.0100.00414.25
5.6.20.0060.00814.17
5.6.10.0070.00814.11
5.6.00.0060.00614.30
5.5.380.0060.00612.52
5.5.370.0050.00912.51
5.5.360.0100.00712.77
5.5.350.0040.03515.27
5.5.340.0080.02714.43
5.5.330.0120.01815.27
5.5.320.0170.02915.18
5.5.310.0140.02115.26
5.5.300.0060.03214.44
5.5.290.0030.03514.48
5.5.280.0090.03115.37
5.5.270.0110.03115.45
5.5.260.0050.02015.27
5.5.250.0050.02115.23
5.5.240.0070.02415.13
5.5.230.0050.00712.74
5.5.220.0030.01012.68
5.5.210.0050.00912.47
5.5.200.0070.00512.62
5.5.190.0080.00612.71
5.5.180.0050.00812.53
5.5.170.0050.00912.31
5.5.160.0090.00612.55
5.5.150.0050.00812.50
5.5.140.0050.01012.45
5.5.130.0040.01012.52
5.5.120.0070.00612.59
5.5.110.0090.00412.42
5.5.100.0040.00812.41
5.5.90.0020.01012.61
5.5.80.0070.00612.64
5.5.70.0060.00612.75
5.5.60.0100.00312.53
5.5.50.0090.00412.74
5.5.40.0080.00512.54
5.5.30.0030.00712.57
5.5.20.0020.01212.68
5.5.10.0050.00712.57
5.5.00.0000.01012.67
5.4.450.0290.01914.39
5.4.440.0280.01814.44
5.4.430.0200.01514.22
5.4.420.0060.02714.39
5.4.410.0050.02214.15
5.4.400.0110.01914.11
5.4.390.0070.02314.03
5.4.380.0120.02213.99
5.4.370.0100.02114.08
5.4.360.0120.01814.06
5.4.350.0100.02214.06
5.4.340.0110.02114.04
5.4.330.0080.00811.95
5.4.320.0050.02312.09
5.4.310.0050.01812.09
5.4.300.0080.01712.11
5.4.290.0090.01312.10
5.4.280.0070.01612.02
5.4.270.0040.02714.23
5.4.260.0070.02414.26
5.4.250.0070.02214.22
5.4.240.0080.01914.30
5.4.230.0060.02214.33
5.4.220.0060.02414.14
5.4.210.0040.02114.34
5.4.200.0040.02414.27
5.4.190.0050.02714.33
5.4.180.0090.02514.24
5.4.170.0050.02114.20
5.4.160.0050.02514.11
5.4.150.0040.02414.12
5.4.140.0040.02013.42
5.4.130.0070.01813.53
5.4.120.0080.01913.47
5.4.110.0040.02713.49
5.4.100.0050.02413.41
5.4.90.0090.01613.43
5.4.80.0070.02413.46
5.4.70.0080.01813.45
5.4.60.0070.01813.43
5.4.50.0090.02113.42
5.4.40.0070.02213.43
5.4.30.0060.01813.30
5.4.20.0030.02313.35
5.4.10.0080.01913.43
5.4.00.0040.02513.18
5.3.290.0100.01412.13
5.3.280.0050.02912.74
5.3.270.0070.02012.75
5.3.260.0090.02912.72
5.3.250.0070.02212.74
5.3.240.0070.02512.78
5.3.230.0110.01612.72
5.3.220.0040.02412.77
5.3.210.0050.02312.76
5.3.200.0080.02012.71
5.3.190.0080.02112.77
5.3.180.0110.02412.65
5.3.170.0100.01812.74
5.3.160.0100.01712.76
5.3.150.0090.02412.71
5.3.140.0070.02212.74
5.3.130.0070.02412.68
5.3.120.0080.02212.68
5.3.110.0060.02312.72
5.3.100.0080.02212.58
5.3.90.0090.02412.60
5.3.80.0080.02012.51
5.3.70.0080.01912.55
5.3.60.0030.02312.52
5.3.50.0060.02112.50
5.3.40.0050.02112.58
5.3.30.0060.02012.43
5.3.20.0010.02212.47
5.3.10.0030.02212.47
5.3.00.0060.02612.46
5.2.170.0020.02710.98
5.2.160.0050.02311.04
5.2.150.0040.02510.89
5.2.140.0030.03211.03
5.2.130.0030.02410.98
5.2.120.0000.02810.98
5.2.110.0080.02810.96
5.2.100.0030.03210.87
5.2.90.0060.03110.98
5.2.80.0030.02410.86
5.2.70.0030.02611.00
5.2.60.0090.01810.93
5.2.50.0060.03110.85
5.2.40.0050.03010.91
5.2.30.0070.02610.95
5.2.20.0020.02510.74
5.2.10.0060.02110.92
5.2.00.0100.01710.74
5.1.60.0030.01910.37
5.1.50.0070.01710.46
5.1.40.0040.02110.41
5.1.30.0040.02010.57
5.1.20.0020.02710.59
5.1.10.0030.02010.45
5.1.00.0040.01810.54
5.0.50.0000.0249.77
5.0.40.0030.0169.66
5.0.30.0030.0259.57
5.0.20.0000.0179.53
5.0.10.0030.0169.54
5.0.00.0020.0229.59
4.4.90.0050.0139.53
4.4.80.0000.0159.53
4.4.70.0010.0169.53
4.4.60.0050.0109.53
4.4.50.0020.0179.53
4.4.40.0010.0219.53
4.4.30.0020.0169.53
4.4.20.0040.0129.53
4.4.10.0020.0149.53
4.4.00.0020.0239.53
4.3.110.0030.0139.53
4.3.100.0020.0139.53
4.3.90.0000.0149.53
4.3.80.0020.0179.53
4.3.70.0050.0109.53
4.3.60.0040.0159.53
4.3.50.0050.0139.53
4.3.40.0060.0199.53
4.3.30.0000.0199.53
4.3.20.0020.0139.53
4.3.10.0020.0139.53
4.3.00.0030.0128.19

preferences:
31.96 ms | 400 KiB | 5 Q