3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flipCounts = 0; $matchingFaceTypes = 0; $previousType = NULL; $targetReached = false; while ($matchingFaceTypes < 3 ) { $faceType = rand(0, 1); $flipCounts++; if($previousType != $faceType && $previousType !== NULL) { $matchingFaceTypes = 0; echo " reset ". "\n"; } else { $matchingFaceTypes++; } if($faceType == 0) { echo $faceType . " is heads ". "\n"; } else if($faceType == 1) { echo $faceType." is tails ". "\n"; } $previousType = $faceType; } echo "total flips took is: " . $flipCounts;

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)
7.4.10.0100.01014.84
7.4.00.0030.01314.81
7.3.130.0000.01215.03
7.3.120.0000.01914.65
7.3.110.0040.01114.88
7.3.100.0120.00314.70
7.3.90.0090.00614.86
7.3.80.0100.00715.06
7.3.70.0090.00614.79
7.3.60.0060.01214.78
7.3.50.0100.00314.95
7.3.40.0060.00614.57
7.3.30.0000.01014.55
7.3.20.0100.00316.65
7.3.10.0070.00716.64
7.3.00.0040.00616.55
7.2.260.0070.01115.26
7.2.250.0110.00614.79
7.2.240.0070.00715.29
7.2.230.0080.00415.26
7.2.220.0080.00314.72
7.2.210.0040.00715.18
7.2.200.0060.00915.11
7.2.190.0030.00615.01
7.2.180.0030.00914.95
7.2.170.0060.00915.14
7.2.160.0040.00815.07
7.2.150.0030.00716.61
7.2.140.0000.01717.05
7.2.130.0040.00916.72
7.2.120.0030.01117.03
7.2.110.0110.00516.85
7.2.100.0030.01016.91
7.2.90.0060.00716.80
7.2.80.0080.00616.92
7.2.70.0060.00717.02
7.2.60.0070.00516.90
7.2.50.0060.00817.02
7.2.40.0030.00816.94
7.2.30.0060.01216.95
7.2.20.0060.00616.88
7.2.10.0040.01016.85
7.2.00.0080.00617.79
7.1.330.0140.00315.91
7.1.320.0030.01015.89
7.1.310.0040.01115.82
7.1.300.0070.00715.95
7.1.290.0030.01015.84
7.1.280.0070.00715.98
7.1.270.0000.01315.95
7.1.260.0110.00315.60
7.1.250.0010.00915.84
7.1.240.0040.01115.66
7.1.230.0030.00815.79
7.1.220.0070.00715.58
7.1.210.0030.00615.72
7.1.200.0000.01315.82
7.1.190.0040.00415.63
7.1.180.0100.00315.82
7.1.170.0090.00315.90
7.1.160.0060.00915.73
7.1.150.0030.01515.71
7.1.140.0060.00915.64
7.1.130.0000.01215.83
7.1.120.0130.00015.88
7.1.110.0110.00415.52
7.1.100.0110.00315.74
7.1.90.0030.00615.78
7.1.80.0060.00915.62
7.1.70.0030.01016.40
7.1.60.0080.01017.59
7.1.50.0040.01316.42
7.1.40.0000.01315.68
7.1.30.0080.00015.61
7.1.20.0040.00415.55
7.1.10.0080.00615.79
7.1.00.0030.04219.10
7.0.330.0000.01015.15
7.0.320.0100.00315.16
7.0.310.0060.00615.19
7.0.300.0030.01015.41
7.0.290.0030.01015.55
7.0.280.0070.00715.54
7.0.270.0090.00015.52
7.0.260.0090.00315.41
7.0.250.0110.00415.50
7.0.240.0090.00615.32
7.0.230.0060.00615.54
7.0.220.0100.00315.64
7.0.210.0030.00715.48
7.0.200.0050.01015.94
7.0.190.0000.01115.23
7.0.180.0100.00315.45
7.0.170.0030.01015.54
7.0.160.0060.00615.32
7.0.150.0000.01415.26
7.0.140.0030.04118.81
7.0.130.0040.00815.14
7.0.120.0000.01415.54
7.0.110.0070.00715.32
7.0.100.0120.00415.55
7.0.90.0030.00515.05
7.0.80.0100.00315.52
7.0.70.0100.00615.29
7.0.60.0030.04917.64
7.0.50.0070.02316.56
7.0.40.0060.02416.84
7.0.30.0270.02316.65
7.0.20.0180.03016.88
7.0.10.0150.04216.83
7.0.00.0050.04216.86
5.6.400.0030.01014.12
5.6.390.0090.00614.43
5.6.380.0000.01314.25
5.6.370.0000.01414.18
5.6.360.0000.01114.37
5.6.350.0030.01014.67
5.6.340.0040.01114.58
5.6.330.0040.01114.03
5.6.320.0030.00614.70
5.6.310.0030.01014.30
5.6.300.0030.01314.57
5.6.290.0060.01214.19
5.6.280.0040.04217.69
5.6.270.0030.01014.65
5.6.260.0090.00614.29
5.6.250.0070.00714.39
5.6.240.0080.00314.18
5.6.230.0000.01514.55
5.6.220.0070.01014.33
5.6.210.0050.04517.46
5.6.200.0110.03816.24
5.6.190.0090.04217.46
5.6.180.0170.01817.23
5.6.170.0180.02117.51
5.6.160.0030.04917.27
5.6.150.0030.02316.18
5.6.140.0110.03516.16
5.6.130.0050.04416.10
5.6.120.0020.02817.78
5.6.110.0060.03117.58
5.6.100.0030.03517.72
5.6.90.0050.05017.62
5.6.80.0080.02617.29
5.6.70.2240.02117.29
5.6.60.0060.00614.21
5.6.50.0070.00714.43
5.6.40.0090.00614.52
5.6.30.0080.00714.34
5.6.20.0100.00414.13
5.6.10.0090.00314.04
5.6.00.0000.00914.17
5.5.380.0040.00813.99
5.5.370.0050.00314.11
5.5.360.0040.00413.93
5.5.350.0020.04117.42
5.5.340.0060.02316.13
5.5.330.0080.04317.29
5.5.320.0200.02717.09
5.5.310.0100.03517.27
5.5.300.0080.03316.06
5.5.290.0070.03416.17
5.5.280.0100.03817.76
5.5.270.0130.04417.75
5.5.260.0030.04017.53
5.5.250.0150.03617.46
5.5.240.0050.04317.20
5.5.230.0000.01014.28
5.5.220.0050.00514.13
5.5.210.0100.00314.21
5.5.200.0030.01313.92
5.5.190.0000.00914.11
5.5.180.0060.00914.27
5.5.170.0070.01014.07
5.5.160.0080.00514.27
5.5.150.0000.01614.13
5.5.140.0050.00514.21
5.5.130.0050.00813.97
5.5.120.0080.00814.19
5.5.110.0100.00014.09
5.5.100.0030.01414.14
5.5.90.0030.00614.19
5.5.80.0040.00413.93
5.5.70.0000.00914.00
5.5.60.0070.00714.18
5.5.50.0030.01014.34
5.5.40.0030.01014.33
5.5.30.0000.00813.96
5.5.20.0080.00813.78
5.5.10.0030.01314.17
5.5.00.0060.01213.90
5.4.450.0150.02515.92
5.4.440.0160.02615.98
5.4.430.0060.02815.99
5.4.420.0180.02015.92
5.4.410.0230.02615.92
5.4.400.0170.02415.92
5.4.390.0300.02615.92
5.4.380.0130.03315.56
5.4.370.0270.02815.57
5.4.360.0230.02715.54
5.4.350.0250.02715.43
5.4.340.0230.02915.55
5.4.330.0030.00312.39
5.4.320.0020.02412.42
5.4.310.0020.02412.42
5.4.300.0050.02212.42
5.4.290.0040.02512.42
5.4.280.0040.02312.37
5.4.270.0050.02012.37
5.4.260.0030.02312.37
5.4.250.0030.02512.37
5.4.240.0070.02112.37
5.4.230.0050.02212.37
5.4.220.0050.02212.37
5.4.210.0060.01812.37
5.4.200.0070.01812.37
5.4.190.0040.02512.36
5.4.180.0040.02412.37
5.4.170.0050.02412.37
5.4.160.0060.02412.37
5.4.150.0050.02312.37
5.4.140.0040.02612.21
5.4.130.0080.02012.20
5.4.120.0050.02412.18
5.4.110.0100.01912.18
5.4.100.0090.01812.18
5.4.90.0040.02812.18
5.4.80.0050.02212.18
5.4.70.0060.02212.18
5.4.60.0040.02112.18
5.4.50.0050.01912.18
5.4.40.0050.02612.17
5.4.30.0020.02612.17
5.4.20.0040.02312.17
5.4.10.0030.02012.17
5.4.00.0050.02011.92
5.3.290.0060.03912.80
5.3.280.0080.03912.71
5.3.270.0060.04212.72
5.3.260.0050.03912.72
5.3.250.0070.03812.72
5.3.240.0070.04112.72
5.3.230.0040.03912.71
5.3.220.0030.05012.68
5.3.210.0060.04512.68
5.3.200.0050.03712.68
5.3.190.0050.03712.68
5.3.180.0080.04612.68
5.3.170.0090.03312.67
5.3.160.0070.04412.67
5.3.150.0040.03812.67
5.3.140.0070.03412.66
5.3.130.0060.04012.65
5.3.120.0040.04012.66
5.3.110.0080.03712.66
5.3.100.0060.03912.12
5.3.90.0040.03912.08
5.3.80.0050.03512.08
5.3.70.0090.03612.07
5.3.60.0060.04112.06
5.3.50.0070.03512.00
5.3.40.0080.03712.00
5.3.30.0030.03711.95
5.3.20.0060.03411.73
5.3.10.0070.03311.70
5.3.00.0040.03711.68
5.2.170.0080.0379.18
5.2.160.0070.0289.18
5.2.150.0060.0359.18
5.2.140.0020.0359.18
5.2.130.0060.0269.14
5.2.120.0040.0289.14
5.2.110.0050.0329.15
5.2.100.0030.0299.14
5.2.90.0080.0259.14
5.2.80.0040.0299.13
5.2.70.0030.0309.14
5.2.60.0060.0299.09
5.2.50.0080.0379.06
5.2.40.0050.0319.04
5.2.30.0020.0329.01
5.2.20.0050.0359.00
5.2.10.0040.0278.93
5.2.00.0020.0328.79
5.1.60.0060.0218.08
5.1.50.0050.0308.07
5.1.40.0060.0258.06
5.1.30.0030.0268.41
5.1.20.0040.0278.43
5.1.10.0040.0328.16
5.1.00.0040.0248.16
5.0.50.0040.0216.63
5.0.40.0050.0216.49
5.0.30.0080.0336.30
5.0.20.0040.0206.27
5.0.10.0040.0196.25
5.0.00.0010.0316.24
4.4.90.0000.0184.78
4.4.80.0050.0134.76
4.4.70.0030.0154.76
4.4.60.0040.0134.75
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0020.0164.75
4.4.20.0050.0134.84
4.4.10.0060.0124.84
4.4.00.0050.0224.76
4.3.110.0040.0144.67
4.3.100.0030.0144.66
4.3.90.0030.0144.64
4.3.80.0020.0254.59
4.3.70.0020.0144.63
4.3.60.0030.0164.63
4.3.50.0030.0164.63
4.3.40.0040.0254.54
4.3.30.0010.0213.29
4.3.20.0010.0183.27
4.3.10.0020.0163.23
4.3.00.0100.01319.45

preferences:
35.86 ms | 401 KiB | 5 Q