3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); $x = array(1,2,3,4); $x[42][42] =& $x; echo count($x);

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)
8.3.60.0140.00418.31
8.3.50.0130.00821.99
8.3.40.0110.00718.75
8.3.30.0000.01518.91
8.3.20.0020.00520.21
8.3.10.0030.00522.02
8.3.00.0080.00022.38
8.2.180.0090.00616.38
8.2.170.0150.00022.96
8.2.160.0070.01120.92
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00319.23
8.2.110.0070.01022.22
8.2.100.0090.00319.57
8.2.90.0040.00419.30
8.2.80.0000.00818.05
8.2.70.0030.00617.63
8.2.60.0000.00917.93
8.2.50.0000.00818.07
8.2.40.0040.00418.03
8.2.30.0000.00718.10
8.2.20.0030.00617.71
8.2.10.0080.00019.58
8.2.00.0030.00517.61
8.1.280.0120.00925.92
8.1.270.0060.00321.96
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00023.90
8.1.230.0090.00319.14
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.10
8.1.190.0060.00317.53
8.1.180.0000.00818.54
8.1.170.0040.00418.63
8.1.160.0070.00021.99
8.1.150.0040.00418.64
8.1.140.0090.00017.31
8.1.130.0000.00717.67
8.1.120.0000.00717.46
8.1.110.0060.00317.46
8.1.100.0020.00517.38
8.1.90.0000.00817.45
8.1.80.0050.00217.42
8.1.70.0070.00017.45
8.1.60.0040.00417.47
8.1.50.0000.00717.41
8.1.40.0040.00417.48
8.1.30.0050.00317.52
8.1.20.0060.00317.54
8.1.10.0000.00717.35
8.1.00.0110.00017.32
8.0.300.0040.00418.77
8.0.290.0030.00317.05
8.0.280.0030.00518.34
8.0.270.0040.00417.14
8.0.260.0000.00716.70
8.0.250.0000.00717.05
8.0.240.0040.00416.97
8.0.230.0000.00716.76
8.0.220.0030.00316.82
8.0.210.0000.00616.73
8.0.200.0060.00016.78
8.0.190.0040.00416.89
8.0.180.0070.00016.90
8.0.170.0070.00016.92
8.0.160.0000.00816.85
8.0.150.0000.00716.80
8.0.140.0000.00716.81
8.0.130.0000.00513.30
8.0.120.0030.00516.82
8.0.110.0000.00716.84
8.0.100.0040.00416.75
8.0.90.0000.00716.89
8.0.80.0070.00716.85
8.0.70.0070.00016.73
8.0.60.0070.00016.72
8.0.50.0080.00016.70
8.0.30.0110.01017.02
8.0.20.0080.01017.40
8.0.10.0040.00417.00
8.0.00.0120.00616.75
7.4.330.0050.00015.08
7.4.320.0000.00616.59
7.4.300.0030.00316.59
7.4.290.0030.00316.60
7.4.280.0030.00316.49
7.4.270.0040.00416.60
7.4.260.0070.00016.50
7.4.250.0030.00516.44
7.4.240.0040.00416.55
7.4.230.0030.00316.53
7.4.220.0100.00716.55
7.4.210.0070.00816.59
7.4.200.0030.00316.61
7.4.190.0070.00016.75
7.4.160.0120.00616.74
7.4.150.0070.01017.40
7.4.140.0110.00717.86
7.4.130.0100.00816.64
7.4.120.0110.00616.59
7.4.110.0060.01016.72
7.4.100.0160.00316.40
7.4.90.0100.01316.49
7.4.80.0170.00619.39
7.4.70.0080.01216.58
7.4.60.0070.00716.56
7.4.50.0030.00616.14
7.4.40.0070.01022.77
7.4.30.0130.00316.40
7.4.00.0060.00815.13
7.3.330.0000.00513.13
7.3.320.0000.00513.24
7.3.310.0030.00316.11
7.3.300.0030.00316.28
7.3.290.0070.00716.30
7.3.280.0090.01016.24
7.3.270.0100.00717.40
7.3.260.0070.01716.26
7.3.250.0120.00816.30
7.3.240.0030.01516.49
7.3.230.0120.01116.39
7.3.210.0130.00316.51
7.3.200.0100.01019.39
7.3.190.0100.00916.34
7.3.180.0110.01016.35
7.3.170.0060.01016.39
7.3.160.0030.01216.57
7.3.120.0090.00614.89
7.3.10.0000.01816.24
7.3.00.0060.00616.32
7.2.330.0090.00916.30
7.2.320.0090.00916.58
7.2.310.0150.00716.56
7.2.300.0100.01216.58
7.2.290.0150.00316.74
7.2.130.0030.00916.26
7.2.120.0100.01016.18
7.2.110.0000.01216.40
7.2.100.0090.00916.25
7.2.90.0040.01116.57
7.2.80.0090.00516.53
7.2.70.0150.00316.30
7.2.60.0000.01216.62
7.2.50.0170.00416.32
7.2.40.0060.00616.54
7.2.30.0030.00916.45
7.2.20.0070.00716.14
7.2.10.0060.00316.52
7.2.00.0060.00817.90
7.1.250.0140.00415.59
7.1.200.0090.00315.66
7.1.100.0070.00318.20
7.1.70.0140.01017.13
7.1.60.0030.02319.82
7.1.50.0100.00716.75
7.1.00.0030.07722.36
7.0.200.0000.01216.31
7.0.140.0070.07021.91
7.0.60.0070.08019.89
7.0.50.0070.05017.89
7.0.40.0170.08020.19
7.0.30.0330.07020.00
7.0.20.0300.08020.09
7.0.10.0300.07020.20
7.0.00.0100.07020.00
5.6.280.0030.07321.07
5.6.210.0000.04720.60
5.6.200.0030.04018.12
5.6.190.0130.08020.61
5.6.180.3700.04720.56
5.6.170.0330.04020.49
5.6.160.0100.04720.38
5.6.150.0070.04718.12
5.6.140.0030.08318.12
5.6.130.0100.05718.20
5.6.120.0130.06320.98
5.6.110.0170.08321.11
5.6.100.0000.04321.08
5.6.90.0070.08320.94
5.6.80.0170.04320.50
5.6.70.0370.07020.34
5.5.350.0000.08320.29
5.5.340.0100.04318.00
5.5.330.0000.05720.23
5.5.320.0230.08320.28
5.5.310.0330.07720.20
5.5.300.0070.04317.98
5.5.290.0170.07017.95
5.5.280.0130.03320.86
5.5.270.0030.08320.83
5.5.260.0000.05320.72
5.5.250.0070.08020.77
5.5.240.0100.05020.25
5.4.450.0470.06019.24
5.4.440.0670.05019.42
5.4.430.0170.04719.31
5.4.420.0030.06019.52
5.4.410.0130.05719.57
5.4.400.0900.00018.58
5.4.390.0800.00018.83
5.4.380.0170.06018.65
5.4.370.0300.05318.72
5.4.360.0070.06018.72
5.4.350.0270.04318.72
5.4.340.0170.05018.70
5.4.320.0030.04412.45
5.4.310.0050.03912.45
5.4.300.0080.03512.45
5.4.290.0030.03912.45
5.4.280.0050.03512.35
5.4.270.0100.03412.35
5.4.260.0200.07018.71
5.4.250.0130.07318.73
5.4.240.0100.05318.61
5.4.230.0100.06318.88
5.4.220.0070.06318.96
5.4.210.0000.06018.77
5.4.200.0030.06018.86
5.4.190.0070.05318.98
5.4.180.0230.05018.93
5.4.170.0100.04718.73
5.4.160.0230.05718.65
5.4.150.0130.04718.70
5.4.140.0070.05316.26
5.4.130.0030.05016.52
5.4.120.0170.04016.28
5.4.110.0130.07316.54
5.4.100.0030.07316.45
5.4.90.0070.04716.43
5.4.80.0130.04016.33
5.4.70.0170.04716.15
5.4.60.0130.06716.42
5.4.50.0170.04716.44
5.4.40.0070.05016.33
5.4.30.0030.05316.36
5.4.20.0100.04716.44
5.4.10.0170.06016.36
5.4.00.0070.04715.70
5.3.290.0030.04012.80
5.3.280.0170.05014.75
5.3.270.0030.06714.30
5.3.260.0130.05014.30
5.3.250.0130.04314.59
5.3.240.0130.05314.47
5.3.230.0030.05314.59
5.3.220.0070.05014.48
5.3.210.0170.05014.57
5.3.200.0070.06714.44
5.3.190.0100.05714.56
5.3.180.0000.05714.41
5.3.170.0130.05714.58
5.3.160.0070.05014.56
5.3.150.0070.05014.33
5.3.140.0100.04714.39
5.3.130.0130.04714.55
5.3.120.0030.05314.40
5.3.110.0100.06714.33
5.3.100.0070.04713.91
5.3.90.0030.05314.03
5.3.80.0100.05014.03
5.3.70.0000.05713.79
5.3.60.0030.06014.00
5.3.50.0170.06013.89
5.3.40.0100.04713.79
5.3.30.0070.08013.76
5.3.20.0100.06713.60
5.3.10.0130.04313.35
5.3.00.0000.08013.50
5.2.170.0000.04311.23
5.2.160.0100.04011.06
5.2.150.0070.04311.15
5.2.140.0100.04011.14
5.2.130.0070.04011.12
5.2.120.0130.05311.13
5.2.110.0000.05011.12
5.2.100.0130.03711.09
5.2.90.0070.05011.09
5.2.80.0100.04011.20
5.2.70.0000.05011.00
5.2.60.0100.03711.20
5.2.50.0130.03311.00
5.2.40.0070.05010.88
5.2.30.0030.04310.89
5.2.20.0070.03710.96
5.2.10.0070.04010.81
5.2.00.0030.04310.77
5.1.60.0030.0339.99
5.1.50.0070.03310.23
5.1.40.0070.03310.21
5.1.30.0030.03710.39
5.1.20.0070.04010.43
5.1.10.0070.0309.91
5.1.00.0030.04710.12
5.0.50.0070.0338.60
5.0.40.0000.0308.36
5.0.30.0130.0308.36
5.0.20.0130.0278.23
5.0.10.0070.0378.23
5.0.00.0030.0408.15
4.4.90.0070.0275.78
4.4.80.0000.0235.85
4.4.70.0070.0205.88
4.4.60.0000.0235.77
4.4.50.0030.0235.96
4.4.40.0000.0335.80
4.4.30.0000.0235.78
4.4.20.0030.0235.85
4.4.10.0030.0205.96
4.4.00.0130.0236.00
4.3.110.0000.0235.78
4.3.100.0030.0205.89
4.3.90.0000.0275.80
4.3.80.0030.0335.75
4.3.70.0030.0275.74
4.3.60.0000.0235.71
4.3.50.0070.0175.72
4.3.40.0100.0405.64
4.3.30.0000.0275.51
4.3.20.0000.0235.51
4.3.10.0000.0235.51
4.3.00.0100.0237.46

preferences:
52.12 ms | 401 KiB | 5 Q