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)) { $s .= array_rand($vowels); } else { $s .= array_rand($other); } $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)
7.2.110.0110.00716.53
7.2.100.0200.00016.34
7.2.90.0140.00016.45
7.2.80.0150.00316.64
7.2.70.0120.00316.70
7.2.60.0160.00316.80
7.2.50.0060.00916.71
7.2.40.0100.00517.13
7.2.30.0170.00017.07
7.2.20.0120.00616.79
7.2.10.0110.00616.72
7.2.00.0040.00918.04
7.1.230.0130.00315.80
7.1.220.0110.00615.48
7.1.210.0060.00915.89
7.1.200.0040.01116.00
7.1.190.0080.00815.93
7.1.180.0140.00015.53
7.1.170.0060.00615.86
7.1.160.0130.00415.89
7.1.150.0060.00915.91
7.1.140.0110.00615.80
7.1.130.0060.00815.55
7.1.120.0090.00515.55
7.1.110.0100.00315.84
7.1.100.0110.00415.56
7.1.90.0110.00515.74
7.1.80.0140.00015.93
7.1.70.0090.00416.41
7.1.60.0090.01217.64
7.1.50.0040.00816.57
7.1.40.0070.00715.88
7.1.30.0030.01215.98
7.1.20.0090.00915.97
7.1.10.0030.00515.91
7.1.00.0020.02419.17
7.0.310.0100.00415.50
7.0.300.0070.00715.49
7.0.290.0130.00015.62
7.0.280.0030.01215.25
7.0.270.0120.00615.44
7.0.260.0120.00015.41
7.0.250.0120.00315.48
7.0.240.0150.00415.42
7.0.230.0110.00415.41
7.0.220.0100.00515.64
7.0.210.0120.00315.40
7.0.200.0050.00916.03
7.0.190.0030.00715.48
7.0.180.0100.00015.36
7.0.170.0100.00315.22
7.0.160.0110.00315.52
7.0.150.0090.00315.54
7.0.140.0020.04118.72
7.0.130.0060.00615.54
7.0.120.0030.04218.68
7.0.110.0060.00915.52
7.0.100.0030.00615.32
7.0.90.0040.00815.26
7.0.80.0030.01015.61
7.0.70.0000.01015.47
7.0.60.0200.03917.70
7.0.50.0050.03616.63
7.0.40.2090.02616.63
7.0.30.1900.02216.66
7.0.20.1770.02016.64
7.0.10.1860.02316.81
7.0.00.1630.02516.67
5.6.380.0030.01414.50
5.6.370.0070.00714.14
5.6.360.0060.00614.63
5.6.350.0080.00414.37
5.6.340.0130.00314.67
5.6.330.0060.00614.24
5.6.320.0070.00714.61
5.6.310.0000.01314.34
5.6.300.0080.00414.56
5.6.290.0070.01014.34
5.6.280.0080.03817.93
5.6.270.0090.00614.21
5.6.260.0160.00014.70
5.6.250.0140.00314.49
5.6.240.0050.00914.47
5.6.230.0030.01214.46
5.6.220.0120.00314.30
5.6.210.0120.03517.50
5.6.200.0090.04316.30
5.6.190.1890.02317.27
5.6.180.1830.02617.36
5.6.170.1880.01917.51
5.6.160.0110.04317.21
5.6.150.0090.04217.15
5.6.140.1860.02517.29
5.6.130.1840.02117.37
5.6.120.0650.03317.30
5.6.110.0040.02617.26
5.6.100.1820.02317.34
5.6.90.1670.02717.34
5.6.80.0040.02816.80
5.6.70.1670.02517.06
5.6.60.2180.02316.92
5.6.50.2140.02316.91
5.6.40.2170.02516.89
5.6.30.1980.02317.10
5.6.20.2120.02516.98
5.6.10.2180.02516.94
5.6.00.2010.02316.93
5.5.380.0140.00011.29
5.5.370.0060.00610.97
5.5.360.0070.00411.12
5.5.350.2200.02515.64
5.5.340.0050.02214.60
5.5.330.0680.03315.76
5.5.320.1770.02415.72
5.5.310.1730.02415.79
5.5.300.1800.02215.59
5.5.290.1600.02715.49
5.5.280.0040.02915.56
5.5.270.0020.02615.43
5.5.260.1550.02315.62
5.5.250.0910.01815.37
5.5.240.0380.02015.20
5.5.230.1990.02415.36
5.5.220.2030.02415.31
5.5.210.2060.02315.23
5.5.200.2040.02015.32
5.5.190.2210.01815.23
5.5.180.2000.02715.20
5.5.170.0160.00314.07
5.5.160.2030.02215.29
5.5.150.2120.02215.26
5.5.140.2140.02415.18
5.5.130.1990.02215.27
5.5.120.2150.02415.29
5.5.110.2000.02015.28
5.5.100.2140.02315.16
5.5.90.2170.01815.29
5.5.80.2030.01815.13
5.5.70.1790.02215.13
5.5.60.1750.02515.01
5.5.50.2030.02315.16
5.5.40.1710.02315.18
5.5.30.1730.01915.22
5.5.20.2170.01815.13
5.5.10.1970.02415.23
5.5.00.1840.02115.30
5.4.450.1820.02115.30
5.4.440.0030.02515.03
5.4.430.0660.03315.01
5.4.420.1700.02015.17
5.4.410.1690.02215.09
5.4.400.1680.02214.87
5.4.390.1800.02315.13
5.4.380.2130.02314.97
5.4.370.2180.02314.98
5.4.360.1980.02315.12
5.4.350.2160.02015.00
5.4.340.2180.02014.91
5.4.330.0090.00311.13
5.4.320.2040.02214.99
5.4.310.1860.02415.04
5.4.300.2230.01515.04
5.4.290.1950.02414.95
5.4.280.2130.02114.79
5.4.270.2170.02114.97
5.4.260.1980.02115.02
5.4.250.2160.02314.79
5.4.240.1760.02314.99
5.4.230.1750.01814.88
5.4.220.1820.02214.86
5.4.210.2110.02114.88
5.4.200.1700.01715.07
5.4.190.1780.01714.86
5.4.180.2100.01814.98
5.4.170.2140.01714.90
5.4.160.1940.02215.06
5.4.150.2010.02114.88
5.4.140.1750.02213.59
5.4.130.1770.02213.51
5.4.120.1820.02213.53
5.4.110.1840.01913.73
5.4.100.1780.01813.56
5.4.90.1930.02313.69
5.4.80.1900.02013.59
5.4.70.1780.01713.62
5.4.60.1660.01913.65
5.4.50.1870.02313.78
5.4.40.1850.01813.73
5.4.30.1880.01813.60
5.4.20.1800.01513.53
5.4.10.1640.01813.64
5.4.00.1730.01513.24
5.3.290.2180.02312.70
5.3.280.1850.02112.58
5.3.270.1710.02112.50
5.3.260.2030.02112.60
5.3.250.1620.02012.59
5.3.240.1960.02012.65
5.3.230.1830.02012.57
5.3.220.1920.02012.56
5.3.210.1860.02312.55
5.3.200.1820.02312.57
5.3.190.2100.02312.59
5.3.180.1720.02412.56
5.3.170.1810.02312.57
5.3.160.1900.01512.56
5.3.150.1800.01512.56
5.3.140.1910.02012.63
5.3.130.1810.02312.47
5.3.120.1850.02012.58
5.3.110.1650.02412.57
5.3.100.1730.02012.28
5.3.90.1780.02012.28
5.3.80.1710.01812.28
5.3.70.1730.02712.29
5.3.60.2100.01912.27
5.3.50.1980.01712.26
5.3.40.2010.02012.28
5.3.30.2130.02012.22
5.3.20.2100.02312.12
5.3.10.1770.02112.12
5.3.00.1970.01512.05
5.2.170.1880.01510.79
5.2.160.1830.01710.88
5.2.150.1730.02010.80
5.2.140.1710.01710.87
5.2.130.1760.01210.77
5.2.120.1850.01610.78
5.2.110.1800.01610.86
5.2.100.1440.01310.82
5.2.90.1460.01210.86
5.2.80.1410.01310.83
5.2.70.1300.01310.77
5.2.60.1360.01810.83
5.2.50.1480.01810.76
5.2.40.1070.02110.78
5.2.30.1140.01710.81
5.2.20.1110.01810.76
5.2.10.1190.01110.70
5.2.00.1290.01910.66
5.1.60.1120.01510.31
5.1.50.0350.01310.29
5.1.40.0040.01210.31
5.1.30.0050.01210.48
5.1.20.0030.01510.44
5.1.10.0530.01710.33
5.1.00.1130.01910.33
5.0.50.0600.0109.56
5.0.40.0670.0129.50
5.0.30.0550.0209.43
5.0.20.0750.0109.40
5.0.10.0580.0149.43
5.0.00.0730.0199.37
4.4.90.0440.0098.32
4.4.80.0570.0098.32
4.4.70.0440.0118.32
4.4.60.0590.0088.32
4.4.50.0570.0098.32
4.4.40.0580.0128.32
4.4.30.0050.0088.32
4.4.20.0050.0078.32
4.4.10.0560.0108.32
4.4.00.0440.0148.32
4.3.110.0590.0078.32
4.3.100.0560.0078.32
4.3.90.0710.0108.32
4.3.80.0870.0088.32
4.3.70.0690.0108.32
4.3.60.0750.0078.32
4.3.50.0800.0078.32
4.3.40.0680.0178.32
4.3.30.0370.0108.32
4.3.20.0330.0168.32
4.3.10.0380.0148.32
4.3.00.0330.0128.32

preferences:
39.49 ms | 401 KiB | 5 Q