3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); $null = null; $arr = array(); $str = 'string'; $int = 7; $dbl = 7.3; $bool = true; $obj = new stdClass(); var_dump($null['nope']); var_dump($null['nope']['sure']); var_dump($arr['nope']); var_dump($arr['nope']['sure']); var_dump($str['nope']); var_dump($str['nope']['sure']); var_dump($int['nope']); var_dump($int['nope']['sure']); var_dump($dbl['nope']); var_dump($dbl['nope']['sure']); var_dump($bool['nope']); var_dump($bool['nope']['sure']); var_dump($obj['nope']); var_dump($obj['nope']['sure']);

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)
8.3.60.0080.00818.43
8.3.50.0200.01121.14
8.3.40.0140.00718.83
8.3.30.0040.01120.19
8.3.20.0000.00820.51
8.3.10.0060.00321.09
8.3.00.0000.00723.65
8.2.180.0150.00716.88
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0130.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00420.84
8.2.110.0090.00019.21
8.2.100.0000.01117.91
8.2.90.0040.00419.27
8.2.80.0000.00817.97
8.2.70.0050.00317.61
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0080.00018.16
8.2.30.0070.00019.42
8.2.20.0040.00417.66
8.2.10.0040.00417.68
8.2.00.0040.00417.66
8.1.280.0070.00725.92
8.1.270.0000.00823.99
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0110.00020.77
8.1.230.0040.00720.92
8.1.220.0040.00418.77
8.1.210.0000.01020.69
8.1.200.0100.00017.23
8.1.190.0040.00417.63
8.1.180.0060.00318.10
8.1.170.0000.00818.46
8.1.160.0030.00618.74
8.1.150.0000.00718.49
8.1.140.0080.00017.39
8.1.130.0030.00317.74
8.1.120.0000.00717.32
8.1.110.0030.00517.43
8.1.100.0040.00417.40
8.1.90.0030.00317.31
8.1.80.0040.00417.36
8.1.70.0000.00717.35
8.1.60.0050.00317.54
8.1.50.0030.00617.39
8.1.40.0110.00017.42
8.1.30.0070.00017.68
8.1.20.0060.00317.51
8.1.10.0040.00417.58
8.1.00.0030.00717.41
8.0.300.0070.00019.63
8.0.290.0000.00717.05
8.0.280.0000.00718.39
8.0.270.0000.00717.21
8.0.260.0000.00716.74
8.0.250.0000.00716.97
8.0.240.0000.00717.00
8.0.230.0040.00416.96
8.0.220.0030.00316.89
8.0.210.0040.00416.90
8.0.200.0000.00616.96
8.0.190.0000.00716.87
8.0.180.0040.00416.83
8.0.170.0040.00416.95
8.0.160.0030.00316.77
8.0.150.0000.00716.82
8.0.140.0050.00316.89
8.0.130.0030.00313.28
8.0.120.0040.00416.88
8.0.110.0040.00416.69
8.0.100.0000.00716.73
8.0.90.0030.00316.99
8.0.80.0070.01416.85
8.0.70.0080.00016.73
8.0.60.0040.00416.77
8.0.50.0000.00816.84
8.0.30.0070.01417.05
8.0.20.0090.00917.40
8.0.10.0070.00017.05
8.0.00.0110.01116.57
7.4.330.0050.00016.69
7.4.320.0050.00416.30
7.4.300.0060.00016.50
7.4.290.0030.00316.59
7.4.280.0040.00416.61
7.4.270.0040.00416.52
7.4.260.0030.00313.29
7.4.250.0070.00016.40
7.4.240.0000.00716.52
7.4.230.0070.00016.59
7.4.220.0090.00916.58
7.4.210.0090.00616.55
7.4.200.0070.00016.41
7.4.190.0060.00316.78
7.4.160.0100.01316.63
7.4.150.0120.00617.40
7.4.140.0120.01117.86
7.4.130.0100.01116.52
7.4.120.0140.00716.59
7.4.110.0100.00716.67
7.4.100.0140.00716.36
7.4.90.0100.01316.52
7.4.80.0110.00619.39
7.4.70.0130.00616.39
7.4.60.0070.01016.53
7.4.50.0030.00516.66
7.4.40.0060.00922.77
7.4.30.0120.00616.50
7.4.00.0110.00415.00
7.3.330.0020.00213.16
7.3.320.0020.00213.26
7.3.310.0040.00416.33
7.3.300.0030.00316.34
7.3.290.0110.00516.50
7.3.280.0090.00916.35
7.3.270.0140.00617.40
7.3.260.0090.01118.24
7.3.250.0050.01316.48
7.3.240.0120.00416.32
7.3.230.0090.01516.39
7.3.210.0080.00816.28
7.3.200.0120.00919.39
7.3.190.0130.00916.44
7.3.180.0060.01116.36
7.3.170.0090.00616.46
7.3.160.0060.01216.20
7.3.120.0100.00714.78
7.2.330.0140.01116.25
7.2.320.0130.01016.33
7.2.310.0100.01316.34
7.2.300.0130.01016.61
7.2.290.0060.01116.23
7.2.60.0030.01116.63
7.1.200.0030.01415.68
7.1.70.0040.00417.36
7.1.60.0140.01019.17
7.1.50.0090.00916.70
7.1.00.0000.03722.43
7.0.200.0950.00614.87
7.0.140.0030.07322.08
7.0.100.0030.08720.05
7.0.90.0070.05719.91
7.0.80.0030.05020.01
7.0.70.0100.07019.91
7.0.60.0100.04319.87
7.0.50.0030.06320.41
7.0.40.0030.05020.14
7.0.30.0100.08319.95
7.0.20.0070.05319.96
7.0.10.0030.07720.14
7.0.00.0130.04320.14
5.6.280.0030.07320.81
5.6.250.0170.07020.56
5.6.240.0130.07020.50
5.6.230.0070.08720.53
5.6.220.0100.04320.58
5.6.210.0130.08020.72
5.6.200.0130.05021.04
5.6.190.0000.07321.02
5.6.180.0070.04721.17
5.6.170.0100.08321.11
5.6.160.0030.06320.95
5.6.150.0100.08020.97
5.6.140.0200.07320.94
5.6.130.0130.07720.93
5.6.120.0100.06721.00
5.6.110.0130.07021.13
5.6.100.0030.08721.00
5.6.90.0070.04721.06
5.6.80.0170.06720.42
5.6.70.0070.05020.51
5.6.60.0030.08020.38
5.6.50.0130.04720.36
5.6.40.0070.08020.37
5.6.30.0030.06020.49
5.6.20.0100.04020.37
5.6.10.0130.07320.39
5.6.00.0100.06720.34
5.5.380.0000.08320.45
5.5.370.0030.04720.43
5.5.360.0030.05020.43
5.5.350.0130.06320.33
5.5.340.0100.05020.83
5.5.330.0070.08320.88
5.5.320.0170.07320.78
5.5.310.0130.04320.88
5.5.300.0070.04320.91
5.5.290.0100.04720.64
5.5.280.0070.07320.87
5.5.270.0070.08720.82
5.5.260.0130.05720.81
5.5.250.0070.07720.69
5.5.240.0000.04720.18
5.5.230.0100.06020.28
5.5.220.0030.04320.17
5.5.210.0030.06020.13
5.5.200.0100.05020.08
5.5.190.0070.08020.25
5.5.180.0070.06719.98
5.5.160.0070.04320.17
5.5.150.0100.07720.20
5.5.140.0130.07320.11
5.5.130.0000.05319.98
5.5.120.0030.04720.26
5.5.110.0100.06720.11
5.5.100.0030.07020.14
5.5.90.0070.07719.95
5.5.80.0030.07720.09
5.5.70.0000.08020.14
5.5.60.0030.07720.13
5.5.50.0030.06719.93
5.5.40.0000.04720.05
5.5.30.0130.07720.05
5.5.20.0070.04019.92
5.5.10.0130.07320.09
5.5.00.0000.08720.03
5.4.450.0070.08019.45
5.4.440.0070.04719.44
5.4.430.0170.06719.31
5.4.420.0030.06319.45
5.4.410.0100.05719.23
5.4.400.0070.06719.09
5.4.390.0000.07718.81
5.4.380.0030.07719.12
5.4.370.0130.07018.96
5.4.360.0070.08019.04
5.4.350.0030.04719.06
5.4.340.0030.06719.07
5.4.320.0000.04318.81
5.4.310.0070.07719.05
5.4.300.0030.05019.23
5.4.290.0070.08019.23
5.4.280.0030.04019.09
5.4.270.0030.03719.02
5.4.260.0070.06018.95
5.4.250.0030.05019.22
5.4.240.0070.04018.97
5.4.230.0030.07019.14
5.4.220.0100.05319.06
5.4.210.0100.05319.02
5.4.200.0070.07319.09
5.4.190.0070.04718.77
5.4.180.0100.06719.04
5.4.170.0130.03719.01
5.4.160.0070.04319.10
5.4.150.0000.08718.89
5.4.140.0030.07716.28
5.4.130.0030.07316.25
5.4.120.0070.07016.07
5.4.110.0100.05316.41
5.4.100.0130.05716.21
5.4.90.0030.07716.21
5.4.80.0230.04016.32
5.4.70.0170.06316.35
5.4.60.0030.04316.30
5.4.50.0000.06016.24
5.4.40.0030.07316.33
5.4.30.0100.07016.31
5.4.20.0130.03316.23
5.4.10.0130.06716.31
5.4.00.0030.04715.64
5.3.290.0070.05314.57
5.3.280.0030.07014.50
5.3.270.0130.07014.57
5.3.260.0030.04014.55
5.3.250.0130.07714.56
5.3.240.0170.06014.59
5.3.230.0100.07714.56
5.3.220.0030.07314.55
5.3.210.0070.07014.53
5.3.200.0070.07714.39
5.3.190.0000.08314.39
5.3.180.0000.07314.55
5.3.170.0100.07314.48
5.3.160.0100.05014.40
5.3.150.0070.04314.55
5.3.140.0100.06014.41
5.3.130.0030.04714.55
5.3.120.0030.04714.52
5.3.110.0070.07714.42
5.3.100.0130.03314.02
5.3.90.0100.06713.95
5.3.80.0030.06313.87
5.3.70.0070.04314.01
5.3.60.0130.06713.96
5.3.50.0100.06013.88
5.3.40.0070.05013.94
5.3.30.0070.07013.92
5.3.20.0030.05713.67
5.3.10.0000.07313.43
5.3.00.0070.05013.63
5.2.170.0130.03711.03
5.2.160.0070.03311.23
5.2.150.0100.05011.20
5.2.140.0100.05011.01
5.2.130.0130.05311.16
5.2.120.0100.02710.98
5.2.110.0070.05011.18
5.2.100.0000.04011.09
5.2.90.0030.06311.07
5.2.80.0070.05311.09
5.2.70.0100.03011.17
5.2.60.0030.05011.13
5.2.50.0100.04310.86
5.2.40.0030.05011.08
5.2.30.0000.04710.93
5.2.20.0000.03710.82
5.2.10.0030.04710.92
5.2.00.0030.03310.78
5.1.60.0000.0539.88
5.1.50.0000.0609.84
5.1.40.0000.05010.07
5.1.30.0030.05010.36
5.1.20.0100.04310.37
5.1.10.0030.03010.13
5.1.00.0030.0409.96
5.0.50.0070.0338.67
5.0.40.0130.0338.42
5.0.30.0070.0608.31
5.0.20.0000.0278.32
5.0.10.0000.0278.16
5.0.00.0030.0508.15
4.4.90.0000.0207.88
4.4.80.0030.0377.88
4.4.70.0030.0237.88
4.4.60.0070.0137.88
4.4.50.0000.0177.88
4.4.40.0000.0377.88
4.4.30.0000.0277.88
4.4.20.0070.0237.88
4.4.10.0100.0237.88
4.4.00.0000.0307.88
4.3.110.0000.0207.88
4.3.100.0100.0207.88
4.3.90.0030.0277.88
4.3.80.0000.0507.88
4.3.70.0070.0307.88
4.3.60.0100.0137.88
4.3.50.0000.0177.88
4.3.40.0000.0537.88
4.3.30.0000.0337.88
4.3.20.0000.0177.88
4.3.10.0030.0307.88
4.3.00.0000.0237.88

preferences:
42.35 ms | 401 KiB | 5 Q