3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); $x = array(); if (!isset($x['y']['z']['a'])) { $x['y']['z']['a'] = 'foo'; } var_dump($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)
8.3.60.0140.00716.50
8.3.50.0110.01017.29
8.3.40.0030.01018.54
8.3.30.0150.00018.67
8.3.20.0040.01518.54
8.3.10.0050.00320.66
8.3.00.0000.00819.38
8.2.180.0090.00916.50
8.2.170.0110.00422.96
8.2.160.0100.00321.19
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00021.06
8.2.110.0060.00320.89
8.2.100.0080.00317.72
8.2.90.0000.00919.31
8.2.80.0050.00318.03
8.2.70.0000.00917.63
8.2.60.0060.00318.05
8.2.50.0100.00018.07
8.2.40.0040.00418.12
8.2.30.0080.00018.13
8.2.20.0040.00417.71
8.2.10.0040.00417.75
8.2.00.0070.00017.80
8.1.280.0090.00925.92
8.1.270.0080.00024.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00722.44
8.1.230.0040.00820.80
8.1.220.0080.00017.77
8.1.210.0060.00618.97
8.1.200.0060.00317.47
8.1.190.0030.00517.54
8.1.180.0030.00518.10
8.1.170.0030.00618.89
8.1.160.0070.00018.95
8.1.150.0070.00018.63
8.1.140.0000.00717.46
8.1.130.0000.00717.89
8.1.120.0040.00417.39
8.1.110.0080.00017.32
8.1.100.0040.00417.44
8.1.90.0000.00717.55
8.1.80.0030.00417.52
8.1.70.0080.00017.48
8.1.60.0050.00317.63
8.1.50.0070.00017.49
8.1.40.0030.00617.53
8.1.30.0040.00417.66
8.1.20.0040.00417.62
8.1.10.0000.00817.54
8.1.00.0040.00417.39
8.0.300.0050.00319.85
8.0.290.0070.00016.63
8.0.280.0030.00318.44
8.0.270.0030.00417.31
8.0.260.0030.00316.82
8.0.250.0000.00717.00
8.0.240.0000.00716.95
8.0.230.0040.00416.96
8.0.220.0000.00616.74
8.0.210.0060.00316.79
8.0.200.0070.00016.87
8.0.190.0070.00016.90
8.0.180.0040.00416.93
8.0.170.0000.00816.82
8.0.160.0080.00016.98
8.0.150.0030.00616.88
8.0.140.0080.00016.88
8.0.130.0000.00613.34
8.0.120.0040.00416.87
8.0.110.0000.00716.77
8.0.100.0000.00716.79
8.0.90.0000.00816.96
8.0.80.0060.01016.93
8.0.70.0000.00716.73
8.0.60.0000.00716.79
8.0.50.0040.00416.70
8.0.30.0110.00817.00
8.0.20.0100.00816.92
8.0.10.0050.00217.02
8.0.00.0100.01016.71
7.4.330.0050.00013.09
7.4.320.0000.00716.44
7.4.300.0030.00316.60
7.4.290.0000.00716.57
7.4.280.0000.00816.61
7.4.270.0040.00416.44
7.4.260.0000.00513.15
7.4.250.0030.00516.45
7.4.240.0030.00316.57
7.4.230.0000.00716.49
7.4.220.0070.01116.39
7.4.210.0050.01216.54
7.4.200.0070.00016.24
7.4.190.0070.00016.60
7.4.160.0120.00916.26
7.4.150.0180.00716.52
7.4.140.0110.01016.58
7.4.130.0080.01016.48
7.4.120.0080.01116.47
7.4.110.0080.00916.28
7.4.100.0070.01016.52
7.4.90.0090.00916.55
7.4.80.0050.01319.39
7.4.70.0100.01316.58
7.4.60.0070.01116.50
7.4.50.0110.00416.54
7.4.40.0120.00316.54
7.4.30.0060.00916.47
7.4.00.0110.00714.83
7.3.330.0060.00013.14
7.3.320.0000.00513.13
7.3.310.0030.00316.24
7.3.300.0030.00316.13
7.3.290.0070.00716.32
7.3.280.0080.00816.25
7.3.270.0090.00916.25
7.3.260.0120.01216.25
7.3.250.0060.01216.38
7.3.240.0100.00716.45
7.3.230.0120.00416.23
7.3.210.0100.00616.21
7.3.200.0130.00416.62
7.3.190.0090.00916.56
7.3.180.0000.01516.42
7.3.170.0080.01516.46
7.3.160.0090.00916.58
7.3.120.0100.00715.05
7.3.10.0100.00316.19
7.3.00.0060.00916.37
7.2.330.0100.00916.46
7.2.320.0090.00916.55
7.2.310.0070.01716.41
7.2.300.0120.00616.63
7.2.290.0130.00316.32
7.2.130.0250.00616.41
7.2.120.0140.00316.33
7.2.110.0350.01216.74
7.2.100.0350.00716.93
7.2.90.0230.00416.88
7.2.80.0230.00616.75
7.2.70.0110.01116.64
7.2.60.0100.00716.89
7.2.50.0100.00716.74
7.2.40.0490.00016.73
7.2.30.0210.00616.68
7.2.20.0150.00416.61
7.2.10.0260.00716.44
7.2.00.0110.00818.04
7.1.250.0220.00615.55
7.1.100.0030.00717.98
7.1.70.0040.00717.21
7.1.60.0120.01219.40
7.1.50.0000.02216.98
7.1.00.0000.04722.35
7.0.200.0690.00614.81
7.0.140.0070.07021.95
7.0.120.0070.05322.08
7.0.60.0100.07720.09
7.0.50.0070.03717.91
7.0.40.0030.04017.66
7.0.30.0030.04017.79
7.0.20.0000.04317.74
7.0.10.0070.04717.77
7.0.00.0000.04717.77
5.6.280.0030.07021.02
5.6.210.0100.08020.64
5.6.200.0030.05018.22
5.6.190.0000.04318.17
5.6.180.0030.04018.18
5.6.170.0070.03718.11
5.6.160.0070.03718.09
5.6.150.0030.04018.18
5.6.140.0030.07018.11
5.6.130.0130.05718.21
5.6.120.0030.05718.16
5.6.110.0070.08318.15
5.6.100.0130.06718.17
5.6.90.0030.08718.08
5.6.80.0030.04317.50
5.6.70.0130.07317.47
5.6.60.0070.04017.50
5.6.50.0100.05717.57
5.6.40.0030.05717.56
5.6.30.0070.07017.44
5.6.20.0070.08017.46
5.6.10.0100.07317.46
5.6.00.0030.08017.46
5.5.350.0200.03720.44
5.5.340.0070.03717.89
5.5.330.0070.04017.96
5.5.320.0030.03717.95
5.5.310.0100.03317.91
5.5.300.0100.06718.00
5.5.290.0100.04017.96
5.5.280.0170.07317.91
5.5.270.0200.03317.88
5.5.260.0100.08017.91
5.5.250.0070.06717.79
5.5.240.0100.07717.31
5.5.230.0070.06017.32
5.5.220.0030.06317.27
5.5.210.0100.07717.39
5.5.200.0130.07317.27
5.5.190.0030.04717.33
5.5.180.0070.07017.29
5.5.160.0100.04017.31
5.5.150.0070.06317.30
5.5.140.0100.06717.33
5.5.130.0030.04717.35
5.5.120.0230.06017.30
5.5.110.0100.07317.30
5.5.100.0100.04317.23
5.5.90.0030.08017.17
5.5.80.0100.07717.23
5.5.70.0070.05017.24
5.5.60.0070.06317.22
5.5.50.0130.06717.15
5.5.40.0030.04717.16
5.5.30.0100.03717.22
5.5.20.0070.03717.25
5.5.10.0030.04017.22
5.5.00.0000.05317.18
5.4.450.0070.08719.32
5.4.440.0130.05019.28
5.4.430.0170.03319.45
5.4.420.0130.05319.41
5.4.410.0000.05719.15
5.4.400.0200.06318.89
5.4.390.0170.06718.82
5.4.380.0130.07319.21
5.4.370.0030.05319.09
5.4.360.0170.06018.97
5.4.350.0070.07318.89
5.4.340.0030.08019.09
5.4.320.0030.04318.89
5.4.310.0030.04018.95
5.4.300.0030.04718.98
5.4.290.0030.06719.09
5.4.280.0030.05019.03
5.4.270.0030.05019.00
5.4.260.0170.06319.20
5.4.250.0100.07719.24
5.4.240.0030.06318.93
5.4.230.0170.03718.97
5.4.220.0100.06718.82
5.4.210.0100.04019.04
5.4.200.0030.04319.13
5.4.190.0070.03719.08
5.4.180.0100.04018.94
5.4.170.0030.07718.81
5.4.160.0070.05719.09
5.4.150.0000.08318.91
5.4.140.0070.04016.18
5.4.130.0030.07716.46
5.4.120.0070.04316.16
5.4.110.0030.03716.28
5.4.100.0130.03716.36
5.4.90.0030.03716.39
5.4.80.0200.05716.24
5.4.70.0070.06316.41
5.4.60.0070.04316.27
5.4.50.0070.07016.38
5.4.40.0030.06716.25
5.4.30.0070.05016.36
5.4.20.0070.07016.25
5.4.10.0070.04716.36
5.4.00.0030.03715.80
5.3.290.0130.07314.62
5.3.280.0100.06314.57
5.3.270.0030.08014.55
5.3.260.0070.04314.53
5.3.250.0030.07014.43
5.3.240.0000.07014.57
5.3.230.0000.08314.43
5.3.220.0130.07314.50
5.3.210.0000.05014.54
5.3.200.0070.07314.49
5.3.190.0070.03714.34
5.3.180.0030.04014.52
5.3.170.0070.07314.49
5.3.160.0030.04714.54
5.3.150.0130.07014.52
5.3.140.0070.07014.48
5.3.130.0070.07314.52
5.3.120.0030.04714.46
5.3.110.0030.03714.38
5.3.100.0030.07713.85
5.3.90.0100.06314.00
5.3.80.0100.07014.09
5.3.70.0070.04013.97
5.3.60.0100.07313.95
5.3.50.0000.08013.91
5.3.40.0070.07713.82
5.3.30.0070.07713.87
5.3.20.0100.05013.46
5.3.10.0070.03713.41
5.3.00.0200.05713.40
5.2.170.0130.06011.11
5.2.160.0070.03011.11
5.2.150.0070.06311.13
5.2.140.0070.05311.09
5.2.130.0100.06011.05
5.2.120.0000.05311.05
5.2.110.0100.03011.06
5.2.100.0030.06311.13
5.2.90.0070.06311.05
5.2.80.0070.05711.07
5.2.70.0030.04711.12
5.2.60.0070.06011.08
5.2.50.0030.05710.99
5.2.40.0070.05310.84
5.2.30.0070.06010.80
5.2.20.0100.05310.91
5.2.10.0030.05010.92
5.2.00.0030.06710.76
5.1.60.0100.0509.97
5.1.50.0000.0479.96
5.1.40.0070.0539.98
5.1.30.0030.05010.17
5.1.20.0000.06010.31
5.1.10.0100.05010.13
5.1.00.0100.05010.05
5.0.50.0030.0338.51
5.0.40.0070.0238.49
5.0.30.0070.0608.44
5.0.20.0030.0438.44
5.0.10.0000.0338.44
5.0.00.0000.0408.44
4.4.90.0000.0308.44
4.4.80.0070.0338.44
4.4.70.0000.0378.44
4.4.60.0000.0278.44
4.4.50.0030.0308.44
4.4.40.0030.0538.44
4.4.30.0000.0338.44
4.4.20.0000.0378.44
4.4.10.0000.0338.44
4.4.00.0030.0538.44
4.3.110.0000.0378.44
4.3.100.0100.0278.44
4.3.90.0000.0278.44
4.3.80.0000.0438.44
4.3.70.0000.0208.44
4.3.60.0070.0338.44
4.3.50.0100.0238.44
4.3.40.0030.0508.44
4.3.30.0030.0378.44
4.3.20.0000.0378.44
4.3.10.0000.0378.44
4.3.00.0030.0338.44

preferences:
50.06 ms | 400 KiB | 5 Q