3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[] = array(); var_dump($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)
8.3.40.0100.00618.89
8.3.30.0130.00318.72
8.3.20.0000.00818.65
8.3.10.0060.00320.44
8.3.00.0000.00823.78
8.2.170.0060.00922.96
8.2.160.0000.02020.38
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0070.00322.14
8.2.100.0110.00017.78
8.2.90.0090.00019.05
8.2.80.0000.00717.97
8.2.70.0040.00417.50
8.2.60.0000.00817.93
8.2.50.0060.00618.07
8.2.40.0040.00418.34
8.2.30.0040.00419.89
8.2.20.0070.00017.65
8.2.10.0050.00217.66
8.2.00.0000.00917.49
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0100.00722.55
8.1.230.0110.00020.90
8.1.220.0050.00318.77
8.1.210.0030.00618.79
8.1.200.0060.00317.23
8.1.190.0060.00317.41
8.1.180.0080.00018.10
8.1.170.0090.00018.74
8.1.160.0080.00018.81
8.1.150.0080.00018.56
8.1.140.0000.00817.43
8.1.130.0030.00517.77
8.1.120.0000.01017.28
8.1.110.0000.00717.33
8.1.100.0040.00417.36
8.1.90.0030.00617.39
8.1.80.0000.00717.40
8.1.70.0040.00417.36
8.1.60.0060.00317.49
8.1.50.0070.00017.35
8.1.40.0040.00417.46
8.1.30.0030.00617.40
8.1.20.0040.00417.54
8.1.10.0040.00417.35
8.1.00.0050.00217.29
8.0.300.0030.00319.95
8.0.290.0070.00017.17
8.0.280.0030.00318.38
8.0.270.0000.00717.15
8.0.260.0030.00316.75
8.0.250.0070.00016.75
8.0.240.0030.00616.87
8.0.230.0000.00716.79
8.0.220.0030.00316.84
8.0.210.0000.00816.80
8.0.200.0030.00316.76
8.0.190.0000.00716.84
8.0.180.0000.00716.82
8.0.170.0000.00816.82
8.0.160.0070.00316.86
8.0.150.0060.00316.72
8.0.140.0000.00816.74
8.0.130.0030.00313.24
8.0.120.0030.00616.82
8.0.110.0040.00416.61
8.0.100.0080.00016.73
8.0.90.0040.00416.63
8.0.80.0040.01116.77
8.0.70.0040.00416.89
8.0.60.0040.00416.69
8.0.50.0040.00416.63
8.0.30.0140.00617.13
8.0.20.0110.00817.40
8.0.10.0040.00417.00
8.0.00.0220.01616.65
7.4.330.0030.00313.43
7.4.320.0040.00416.53
7.4.300.0050.00216.35
7.4.290.0070.00016.48
7.4.280.0080.00016.53
7.4.270.0030.00316.51
7.4.260.0000.00613.21
7.4.250.0040.00416.41
7.4.240.0000.00716.52
7.4.230.0070.00016.43
7.4.220.0060.01216.56
7.4.210.0070.01116.57
7.4.200.0000.00816.63
7.4.190.0000.00716.57
7.4.160.0080.00816.43
7.4.150.0160.00917.40
7.4.140.0090.00817.86
7.4.130.0090.00816.50
7.4.120.0090.00916.44
7.4.110.0070.01016.39
7.4.100.0100.00616.50
7.4.90.0060.01216.47
7.4.80.0160.00019.04
7.4.70.0110.00816.42
7.4.60.0160.00816.56
7.4.50.0060.00316.38
7.4.40.0110.00322.27
7.4.30.0190.00316.47
7.4.00.0110.00714.80
7.3.330.0020.00213.17
7.3.320.0090.00013.06
7.3.310.0050.00216.15
7.3.300.0000.00716.10
7.3.290.0030.01016.18
7.3.280.0110.00616.19
7.3.270.0090.00917.40
7.3.260.0080.01118.24
7.3.250.0090.00916.34
7.3.240.0130.00316.31
7.3.230.0160.00316.39
7.3.210.0060.01016.16
7.3.200.0100.01019.39
7.3.190.0070.01116.26
7.3.180.0060.00916.57
7.3.170.0030.01316.40
7.3.160.0070.01016.39
7.3.120.0000.01314.70
7.2.330.0100.00716.68
7.2.320.0080.00816.33
7.2.310.0050.01316.44
7.2.300.0080.00916.31
7.2.290.0160.01516.40
7.2.00.0090.00619.25
7.1.100.0000.01117.77
7.1.70.0000.01117.04
7.1.60.0040.02119.40
7.1.50.0070.01416.41
7.1.00.0100.05022.40
7.0.200.0000.00716.75
7.0.140.0130.06022.18
7.0.60.0100.08019.93
7.0.50.0200.07017.80
7.0.40.0030.08017.86
7.0.30.0070.05317.79
7.0.20.0070.07017.66
7.0.10.0000.09017.72
7.0.00.0070.08017.74
5.6.280.0100.06320.77
5.6.210.0070.04020.63
5.6.200.0030.05318.12
5.6.190.0030.08318.18
5.6.180.0030.07718.14
5.6.170.0030.08718.11
5.6.160.0100.05018.16
5.6.150.0070.04018.21
5.6.140.0030.08718.21
5.6.130.0070.06018.08
5.6.120.0130.07018.12
5.6.110.0130.08018.21
5.6.100.0070.08018.15
5.6.90.0100.06318.16
5.6.80.0070.08017.48
5.6.70.0070.08317.55
5.6.60.0030.05017.45
5.6.50.0130.04317.60
5.6.40.0030.08317.45
5.6.30.0070.08317.56
5.6.20.0030.07017.52
5.6.10.0030.08017.54
5.6.00.0030.06717.47
5.5.350.1330.04020.46
5.5.340.0130.07017.94
5.5.330.0130.07318.02
5.5.320.0170.08017.92
5.5.310.0100.07718.02
5.5.300.0000.07717.98
5.5.290.0030.08317.98
5.5.280.0070.08018.01
5.5.270.0030.08017.88
5.5.260.0070.05018.02
5.5.250.0070.04017.71
5.5.240.0100.05017.40
5.5.230.0070.05717.30
5.5.220.0000.05017.30
5.5.210.0130.03317.39
5.5.200.0030.04317.24
5.5.190.0070.06017.36
5.5.180.0070.05317.24
5.5.160.0070.06017.27
5.5.150.0030.05717.31
5.5.140.0070.04317.33
5.5.130.0000.04717.25
5.5.120.0030.04017.32
5.5.110.0100.07317.36
5.5.100.0130.07017.22
5.5.90.0170.07017.20
5.5.80.0070.07717.22
5.5.70.0000.05317.19
5.5.60.0070.05317.25
5.5.50.0030.06317.16
5.5.40.0070.06317.21
5.5.30.0130.07317.15
5.5.20.0070.06317.15
5.5.10.0070.07717.22
5.5.00.0070.08317.18
5.4.450.0070.04019.45
5.4.440.0130.06019.21
5.4.430.0130.07719.46
5.4.420.0000.04719.43
5.4.410.0070.05319.16
5.4.400.0100.04018.89
5.4.390.0030.05719.20
5.4.380.0100.04018.97
5.4.370.0070.08019.20
5.4.360.0030.06319.04
5.4.350.0100.06319.20
5.4.340.0070.07718.82
5.4.320.0130.06019.20
5.4.310.0070.08018.88
5.4.300.0100.03719.00
5.4.290.0000.04718.81
5.4.280.0030.04719.13
5.4.270.0070.06019.20
5.4.260.0030.07319.00
5.4.250.0030.08319.00
5.4.240.0070.04319.02
5.4.230.0000.04318.94
5.4.220.0000.04319.06
5.4.210.0100.06018.97
5.4.200.0070.04318.97
5.4.190.0030.08318.97
5.4.180.0030.08719.00
5.4.170.0130.06318.94
5.4.160.0030.04319.11
5.4.150.0130.06018.97
5.4.140.0170.04716.28
5.4.130.0200.06016.28
5.4.120.0070.03716.24
5.4.110.0070.05716.25
5.4.100.0030.07716.25
5.4.90.0030.04016.23
5.4.80.0000.05016.51
5.4.70.0170.03016.27
5.4.60.0030.04316.25
5.4.50.0070.05316.33
5.4.40.0100.07016.26
5.4.30.0030.05016.24
5.4.20.0100.03716.25
5.4.10.0070.03716.26
5.4.00.0100.04715.74
5.3.290.0130.07714.52
5.3.280.0070.03714.45
5.3.270.0070.08014.54
5.3.260.0030.06014.46
5.3.250.0070.07714.43
5.3.240.0000.06014.56
5.3.230.0070.04014.57
5.3.220.0070.06714.50
5.3.210.0070.08014.42
5.3.200.0070.04014.51
5.3.190.0000.04714.42
5.3.180.0070.03714.52
5.3.170.0070.07714.53
5.3.160.0100.06714.65
5.3.150.0100.07014.41
5.3.140.0030.08014.52
5.3.130.0070.07014.52
5.3.120.0070.06014.62
5.3.110.0000.04314.32
5.3.100.0100.05313.99
5.3.90.0000.04313.98
5.3.80.0070.03713.92
5.3.70.0070.07313.86
5.3.60.0070.07313.97
5.3.50.0130.06713.93
5.3.40.0000.04313.91
5.3.30.0130.04313.83
5.3.20.0100.04013.66
5.3.10.0000.06313.40
5.3.00.0030.06313.59
5.2.170.0070.04711.13
5.2.160.0100.03711.08
5.2.150.0070.03711.11
5.2.140.0030.05711.14
5.2.130.0100.06011.00
5.2.120.0100.05011.02
5.2.110.0130.03710.93
5.2.100.0030.06311.03
5.2.90.0030.04711.08
5.2.80.0070.03311.12
5.2.70.0130.05311.02
5.2.60.0030.06310.98
5.2.50.0070.06010.84
5.2.40.0070.05310.99
5.2.30.0030.06710.88
5.2.20.0070.06310.95
5.2.10.0100.05011.01
5.2.00.0030.04710.72
5.1.60.0100.0309.82
5.1.50.0070.0539.95
5.1.40.0000.0609.80
5.1.30.0070.05710.22
5.1.20.0100.05010.49
5.1.10.0070.05010.04
5.1.00.0030.0539.91
5.0.50.0070.0438.50
5.0.40.0070.0378.46
5.0.30.0000.0508.29
5.0.20.0000.0508.39
5.0.10.0000.0408.13
5.0.00.0000.0608.21
4.4.90.0000.0307.42
4.4.80.0000.0337.42
4.4.70.0030.0177.42
4.4.60.0030.0177.42
4.4.50.0070.0137.42
4.4.40.0000.0537.42
4.4.30.0000.0377.42
4.4.20.0030.0337.42
4.4.10.0030.0237.42
4.4.00.0070.0577.42
4.3.110.0000.0337.42
4.3.100.0030.0237.42
4.3.90.0030.0337.42
4.3.80.0030.0307.42
4.3.70.0030.0337.42
4.3.60.0070.0277.42
4.3.50.0070.0237.42
4.3.40.0000.0537.42
4.3.30.0000.0277.42
4.3.20.0000.0277.42
4.3.10.0030.0337.42
4.3.00.0000.0237.42

preferences:
40.12 ms | 400 KiB | 5 Q