3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(0,1,2); $maxtries = intval(count($a)*(floatval(count($a)+1)/2.0)); $tries = 0; while(!empty($a) && $tries<$maxtries) { echo "Try number: ".($tries+1)."\n"; print_r($a); if($a[$tries]==1 && $tries<3) { array_push($a, $a[$tries]); } unset($a[$tries]); $tries += 1; } echo "done\n"; print_r($a);

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)
8.3.60.0120.00316.63
8.3.50.0100.01121.99
8.3.40.0110.00418.96
8.3.30.0090.00618.96
8.3.20.0050.00320.39
8.3.10.0070.00021.90
8.3.00.0050.00319.14
8.2.180.0220.00016.63
8.2.170.0090.00622.96
8.2.160.0090.00622.02
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.66
8.2.110.0100.00020.32
8.2.100.0080.00418.04
8.2.90.0080.00018.28
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0070.00018.03
8.2.50.0060.00318.07
8.2.40.0040.00418.02
8.2.30.0040.00419.34
8.2.20.0000.00817.78
8.2.10.0000.00818.26
8.2.00.0030.00517.77
8.1.280.0070.01325.92
8.1.270.0090.00018.69
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0040.00422.19
8.1.230.0070.00720.97
8.1.220.0060.00317.74
8.1.210.0060.00318.90
8.1.200.0000.00917.23
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0070.00021.95
8.1.150.0000.00718.91
8.1.140.0020.00517.36
8.1.130.0000.00717.76
8.1.120.0070.00017.54
8.1.110.0040.00417.37
8.1.100.0040.00417.38
8.1.90.0000.00817.38
8.1.80.0030.00417.44
8.1.70.0070.00017.52
8.1.60.0050.00517.50
8.1.50.0040.00417.48
8.1.40.0030.00517.55
8.1.30.0040.00417.70
8.1.20.0000.00817.59
8.1.10.0040.00417.45
8.1.00.0040.00417.57
8.0.300.0000.00719.93
8.0.290.0000.00716.63
8.0.280.0070.00018.47
8.0.270.0000.00717.19
8.0.260.0070.00017.22
8.0.250.0060.00016.92
8.0.240.0000.00716.98
8.0.230.0000.00817.00
8.0.220.0070.00016.89
8.0.210.0050.00316.98
8.0.200.0040.00416.85
8.0.190.0070.00016.95
8.0.180.0000.00716.93
8.0.170.0000.00916.92
8.0.160.0040.00416.94
8.0.150.0000.00716.80
8.0.140.0070.00016.89
8.0.130.0030.00313.39
8.0.120.0000.00816.80
8.0.110.0000.00716.93
8.0.100.0000.00716.77
8.0.90.0000.00716.95
8.0.80.0000.01516.98
8.0.70.0040.00416.74
8.0.60.0040.00416.99
8.0.50.0050.00216.82
8.0.30.0180.00616.90
8.0.20.0110.00917.40
8.0.10.0000.00716.91
8.0.00.0060.01216.88
7.4.330.0020.00215.03
7.4.320.0000.00616.61
7.4.300.0030.00316.53
7.4.290.0030.00316.51
7.4.280.0000.00716.52
7.4.270.0000.00716.52
7.4.260.0070.00016.39
7.4.250.0000.00716.48
7.4.240.0030.00316.51
7.4.230.0000.00716.71
7.4.220.0100.00716.64
7.4.210.0100.00716.66
7.4.200.0070.00016.67
7.4.160.0090.00616.62
7.4.150.0140.00317.40
7.4.140.0080.01017.86
7.4.130.0090.00916.59
7.4.120.0120.00616.46
7.4.110.0130.00416.53
7.4.100.0060.01216.60
7.4.90.0090.00916.66
7.4.80.0070.01719.39
7.4.70.0060.01116.73
7.4.60.0040.01216.51
7.4.50.0000.00416.35
7.4.40.0100.00716.55
7.4.30.0160.00616.27
7.4.00.0070.01115.05
7.3.330.0050.00013.15
7.3.320.0020.00213.27
7.3.310.0070.00016.25
7.3.300.0000.00716.12
7.3.290.0030.00416.19
7.3.280.0070.01016.27
7.3.270.0160.00017.40
7.3.260.0030.01416.55
7.3.250.0180.00216.39
7.3.240.0100.00716.60
7.3.230.0070.01016.46
7.3.210.0100.00716.56
7.3.200.0080.01219.39
7.3.190.0100.00716.48
7.3.180.0060.00916.51
7.3.170.0100.00616.36
7.3.160.0040.01116.39
7.3.120.0060.01315.04
7.3.110.0100.00714.89
7.3.100.0040.01114.93
7.3.90.0040.00714.76
7.3.80.0080.00615.02
7.3.70.0040.00814.82
7.3.60.0060.00614.89
7.3.50.0030.01314.71
7.3.40.0110.00414.86
7.3.30.0120.00414.77
7.3.20.0040.01116.63
7.3.10.0080.00816.75
7.3.00.0070.00616.67
7.2.330.0130.00716.69
7.2.320.0060.01216.72
7.2.310.0110.00616.70
7.2.300.0080.00816.70
7.2.290.0160.00616.55
7.2.250.0070.01014.80
7.2.240.0100.01014.91
7.2.230.0060.00615.24
7.2.220.0060.00615.02
7.2.210.0090.00615.13
7.2.200.0000.01315.01
7.2.190.0060.00715.21
7.2.180.0060.00615.02
7.2.170.0040.01115.13
7.2.60.0030.01316.77
7.2.00.0030.01319.51
7.1.330.0070.00715.93
7.1.320.0080.00416.05
7.1.310.0040.00815.70
7.1.300.0030.01015.78
7.1.290.0030.00915.51
7.1.280.0070.00716.01
7.1.270.0060.00915.83
7.1.260.0030.01015.89
7.1.200.0090.00615.77
7.1.100.0040.01118.10
7.1.70.0000.00817.11
7.1.60.0030.02019.46
7.1.50.0060.01916.91
7.1.00.0070.07022.43
7.0.200.0000.01016.73
7.0.140.0000.06022.18
7.0.60.0100.08020.02
7.0.50.0170.07018.00
7.0.40.0000.07720.12
7.0.30.0300.06320.24
7.0.20.0370.04720.15
7.0.10.0070.04020.19
7.0.00.0100.03720.29
5.6.280.0070.07020.90
5.6.210.0170.07720.76
5.6.200.0070.04018.29
5.6.190.0000.05020.77
5.6.180.0370.04020.50
5.6.170.0300.07320.54
5.6.160.0030.04720.43
5.6.150.0100.08018.18
5.6.140.0130.05318.15
5.6.130.0130.05718.21
5.6.120.0070.08721.14
5.6.110.0130.08320.98
5.6.100.0170.04720.98
5.6.90.0200.07321.01
5.6.80.0130.03720.50
5.5.350.0230.02720.52
5.5.340.0100.04718.04
5.5.330.0000.04720.27
5.5.320.0400.07020.23
5.5.310.0230.05020.32
5.5.300.0100.05317.97
5.5.290.0030.09017.93
5.5.280.0070.07020.77
5.5.270.0030.08720.82
5.5.260.0100.05720.75
5.5.250.0100.08720.49
5.5.240.0030.06320.19
5.4.450.0570.05319.20
5.4.440.0770.05319.38
5.4.430.0430.06719.16
5.4.420.0700.05019.68
5.4.410.0770.06719.47
5.4.400.0730.06019.13
5.4.390.1000.07018.55
5.4.380.1130.07718.50
5.4.370.0800.06318.63
5.4.360.0870.07018.46
5.4.350.1170.07318.78
5.4.340.0830.06718.84
5.4.320.0900.07018.50
5.4.310.1070.06018.56
5.4.300.1200.05018.76
5.4.290.0570.06018.71
5.4.280.0800.05018.68
5.4.270.0770.05718.85
5.4.260.0800.06018.49
5.4.250.0970.04318.73
5.4.240.0930.06018.77
5.4.230.0830.05018.54
5.4.220.0970.05018.77
5.4.210.1130.06718.79
5.4.200.1100.06316.58
5.4.190.1070.06018.50
5.4.180.1100.05718.82
5.4.170.0500.06018.79
5.4.160.0970.05318.69
5.4.150.0870.04718.56
5.4.140.1000.05316.46
5.4.130.0800.07716.16
5.4.120.0730.06016.23
5.4.110.1070.06016.32
5.4.100.0870.06716.32
5.4.90.0670.05316.27
5.4.80.1230.04316.43
5.4.70.0930.05716.26
5.4.60.1000.06316.22
5.4.50.1270.06016.24
5.4.40.1200.06016.26
5.4.30.0830.06716.21
5.4.20.1230.05016.39
5.4.10.1130.07016.21
5.4.00.1030.05315.62
5.3.290.1270.07314.76
5.3.280.1030.07014.61
5.3.270.1100.06314.78
5.3.260.0870.07014.62
5.3.250.0670.07014.78
5.3.240.0730.06714.78
5.3.230.0900.05314.78
5.3.220.1170.06014.59
5.3.210.1130.07714.61
5.3.200.0800.05314.54
5.3.190.0930.06714.73
5.3.180.0970.07014.68
5.3.170.1000.05714.69
5.3.160.0930.06314.60
5.3.150.0900.07014.57
5.3.140.1000.06014.73
5.3.130.1030.07014.68
5.3.120.1070.05314.60
5.3.110.1030.07314.65
5.3.100.1000.07714.04
5.3.90.0900.06014.06
5.3.80.0930.05714.04
5.3.70.0900.05714.12
5.3.60.0970.05014.11
5.3.50.0570.05713.96
5.3.40.1170.06014.12
5.3.30.0830.05314.02
5.3.20.1100.04313.89
5.3.10.0700.05713.78
5.3.00.1070.07013.66
5.2.170.0770.05311.25
5.2.160.0770.06311.16
5.2.150.0700.05311.21
5.2.140.0700.04311.34
5.2.130.0770.05011.08
5.2.120.0800.05711.09
5.2.110.0930.05011.09
5.2.100.1030.03711.11
5.2.90.0600.04011.20
5.2.80.0700.04011.07
5.2.70.1070.03711.20
5.2.60.0630.04311.17
5.2.50.0770.04011.04
5.2.40.0630.04710.98
5.2.30.0500.05311.00
5.2.20.0600.04710.96
5.2.10.0870.04310.95
5.2.00.0630.05310.75
5.1.60.0470.03010.02
5.1.50.0600.04710.03
5.1.40.0630.04310.15
5.1.30.0670.03710.38
5.1.20.0400.04010.40
5.1.10.0330.04310.06
5.1.00.0470.04010.26
5.0.50.0330.0308.67
5.0.40.0370.0378.43
5.0.30.0100.0508.25
5.0.20.0230.0438.29
5.0.10.0300.0338.16
5.0.00.0300.0508.20
4.4.90.0300.0205.99
4.4.80.0300.0235.93
4.4.70.0230.0275.89
4.4.60.0270.0205.91
4.4.50.0170.0275.91
4.4.40.0330.0335.91
4.4.30.0370.0205.90
4.4.20.0200.0275.99
4.4.10.0300.0305.99
4.4.00.0230.0375.95
4.3.110.0330.0275.86
4.3.100.0330.0235.77
4.3.90.0370.0205.81
4.3.80.0330.0375.88
4.3.70.0200.0235.81
4.3.60.0430.0275.79
4.3.50.0400.0305.79
4.3.40.0330.0475.80
4.3.30.0200.0235.41
4.3.20.0170.0305.41
4.3.10.0200.0275.41
4.3.00.0130.0209.23

preferences:
39.48 ms | 401 KiB | 5 Q