3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($array, $default = null) { // to get $array['key1']['key2'] if (isset($array['key1']) && is_array($array['key1']) && isset($array['key1']['key2']) && is_array($array['key1']['key2'])) { return $array['key1']['key2']; } else { return $default; } }

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)
8.3.90.0040.00426.77
8.3.80.0060.00316.53
8.3.70.0070.00716.63
8.3.60.0080.00818.15
8.3.50.0260.00921.21
8.3.40.0070.00718.53
8.3.30.0100.00318.94
8.3.20.0100.00320.29
8.3.10.0000.00920.28
8.3.00.0030.00619.25
8.2.210.0080.00026.77
8.2.200.0090.00016.50
8.2.190.0090.00616.58
8.2.180.0150.00318.00
8.2.170.0090.00622.96
8.2.160.0100.00722.19
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0060.00322.18
8.2.110.0060.00322.20
8.2.100.0040.00819.63
8.2.90.0000.00818.91
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00418.19
8.2.30.0040.00419.26
8.2.20.0040.00417.43
8.2.10.0000.00817.81
8.2.00.0030.00517.61
8.1.290.0090.00030.84
8.1.280.0150.00325.92
8.1.270.0080.00023.78
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00621.84
8.1.230.0070.00419.09
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0050.00517.11
8.1.190.0000.00817.23
8.1.180.0050.00218.10
8.1.170.0090.00318.65
8.1.160.0000.00821.93
8.1.150.0050.00218.66
8.1.140.0040.00417.33
8.1.130.0000.00717.67
8.1.120.0000.00717.36
8.1.110.0050.00317.33
8.1.100.0000.00717.35
8.1.90.0040.00417.22
8.1.80.0000.00817.29
8.1.70.0000.00717.24
8.1.60.0000.00817.49
8.1.50.0000.00817.30
8.1.40.0040.00417.29
8.1.30.0040.00417.42
8.1.20.0000.00717.47
8.1.10.0050.00217.37
8.1.00.0000.00917.32
8.0.300.0070.00018.77
8.0.290.0050.00216.58
8.0.280.0030.00318.36
8.0.270.0040.00416.73
8.0.260.0030.00317.14
8.0.250.0000.00716.90
8.0.240.0030.00316.76
8.0.230.0050.00216.83
8.0.220.0030.00316.67
8.0.210.0030.00516.68
8.0.200.0070.00016.69
8.0.190.0000.00716.73
8.0.180.0050.00316.82
8.0.170.0040.00416.71
8.0.160.0000.00716.71
8.0.150.0000.00716.64
8.0.140.0000.00716.75
8.0.130.0000.00913.15
8.0.120.0090.00016.73
8.0.110.0080.00016.59
8.0.100.0050.00216.88
8.0.90.0000.00716.70
8.0.80.0090.00916.71
8.0.70.0040.00416.72
8.0.60.0070.00016.83
8.0.50.0040.00416.65
8.0.30.0150.00317.20
8.0.20.0080.01117.40
8.0.10.0070.00016.84
8.0.00.0130.00716.60
7.4.330.0050.00015.00
7.4.320.0000.00616.48
7.4.300.0000.00616.38
7.4.290.0030.00316.32
7.4.280.0000.00816.51
7.4.270.0030.00316.49
7.4.260.0030.00316.50
7.4.250.0000.00916.26
7.4.240.0000.00716.45
7.4.230.0080.00016.21
7.4.220.0060.01316.58
7.4.210.0100.00716.54
7.4.200.0080.00016.46
7.4.160.0200.00416.44
7.4.150.0210.00017.40
7.4.140.0130.00717.86
7.4.130.0130.00316.33
7.4.120.0080.01016.37
7.4.110.0120.00916.46
7.4.100.0100.00616.49
7.4.90.0070.01016.39
7.4.80.0030.01518.80
7.4.70.0120.00616.28
7.4.60.0100.00716.22
7.4.50.0050.00316.24
7.4.40.0100.01216.43
7.4.30.0090.00616.18
7.4.00.0030.00614.35
7.3.330.0000.00613.19
7.3.320.0000.00512.98
7.3.310.0000.00716.16
7.3.300.0000.00716.19
7.3.290.0100.00716.14
7.3.280.0100.00816.19
7.3.270.0150.00317.40
7.3.260.0110.01116.14
7.3.250.0070.01016.18
7.3.240.0100.00716.36
7.3.230.0080.00816.39
7.3.210.0100.00716.45
7.3.200.0060.01619.39
7.3.190.0120.00916.14
7.3.180.0140.00616.54
7.3.170.0050.01616.27
7.3.160.0040.01216.25
7.2.330.0060.01216.55
7.2.320.0120.00416.26
7.2.310.0070.01016.31
7.2.300.0030.01316.29
7.2.290.0070.01016.30
7.2.60.0090.00616.53
7.1.200.0030.00915.57
7.1.100.0000.01117.67
7.1.70.0090.00317.07
7.1.60.0190.00619.32
7.1.50.0040.00716.79
7.1.00.0030.07722.35
7.0.200.0080.00016.54
7.0.140.0070.07022.23
7.0.70.0000.08021.70
7.0.60.0070.06021.80
7.0.50.0100.07022.13
7.0.40.0070.06720.07
7.0.30.0070.08020.07
7.0.20.0070.07719.95
7.0.10.0030.07320.07
7.0.00.0030.08720.07
5.6.280.0030.07321.11
5.6.220.0030.05320.68
5.6.210.0100.06320.71
5.6.200.0070.07721.02
5.6.190.0030.08020.93
5.6.180.0030.08021.13
5.6.170.0030.07321.07
5.6.160.0030.05320.96
5.6.150.0130.07021.07
5.6.140.0030.04321.13
5.6.130.0030.05720.96
5.6.120.0130.08021.13
5.6.110.0130.06721.12
5.6.100.0070.08321.11
5.6.90.0070.04021.09
5.6.80.0070.05720.47
5.6.70.0000.08320.38
5.6.60.0030.07020.51
5.6.50.0130.07720.45
5.6.40.0030.08020.30
5.6.30.0070.08020.41
5.6.20.0030.08320.46
5.6.10.0070.07720.45
5.6.00.0000.05720.28
5.5.360.0100.08320.48
5.5.350.0030.08020.40
5.5.340.0030.07020.80
5.5.330.0070.07320.88
5.5.320.0030.08020.91
5.5.310.0070.07020.84
5.5.300.0030.07320.73
5.5.290.0100.06320.90
5.5.280.0030.08320.77
5.5.270.0070.08020.85
5.5.260.0030.06320.89
5.5.250.0030.04720.69
5.5.240.0070.07720.27
5.5.230.0070.07320.25
5.5.220.0030.07720.30
5.5.210.0170.07020.25
5.5.200.0000.06720.11
5.5.190.0030.08020.21
5.5.180.0000.08720.23
5.5.160.0070.06320.21
5.5.150.0070.05320.10
5.5.140.0070.03720.23
5.5.130.0000.08720.23
5.5.120.0000.08720.07
5.5.110.0070.07320.22
5.5.100.0000.06320.12
5.5.90.0030.07720.16
5.5.80.0030.05720.15
5.5.70.0000.07720.00
5.5.60.0030.06720.06
5.5.50.0070.07720.05
5.5.40.0130.07020.07
5.5.30.0030.07720.04
5.5.20.0130.05720.05
5.5.10.0000.08320.03
5.5.00.0030.08020.09
5.4.450.0030.08319.37
5.4.440.0070.06719.40
5.4.430.0000.07719.54
5.4.420.0000.08019.36
5.4.410.0030.07319.23
5.4.400.0000.07719.03
5.4.390.0030.07718.83
5.4.380.0030.06719.09
5.4.370.0030.07719.09
5.4.360.0100.06319.12
5.4.350.0030.06719.00
5.4.340.0070.06718.90
5.4.320.0030.05019.12
5.4.310.0000.07319.16
5.4.300.0000.07019.11
5.4.290.0030.07019.08
5.4.280.0070.07319.15
5.4.270.0030.07718.90
5.4.260.0000.07019.16
5.4.250.0030.05319.20
5.4.240.0030.07719.02
5.4.230.0000.07319.02
5.4.220.0030.07019.04
5.4.210.0100.05019.02
5.4.200.0070.07719.03
5.4.190.0070.07719.02
5.4.180.0070.07319.02
5.4.170.0070.07018.93
5.4.160.0130.07018.88
5.4.150.0030.05019.02
5.4.140.0030.05016.17
5.4.130.0100.07016.27
5.4.120.0030.07016.39
5.4.110.0070.07016.36
5.4.100.0000.07316.27
5.4.90.0030.07316.54
5.4.80.0000.05716.32
5.4.70.0030.07016.33
5.4.60.0070.06316.44
5.4.50.0030.05016.48
5.4.40.0030.07016.41
5.4.30.0030.06316.35
5.4.20.0070.06716.47
5.4.10.0070.07316.36
5.4.00.0030.06715.73
5.3.290.0000.06014.77
5.3.280.0070.06014.77
5.3.270.0070.07714.77
5.3.260.0070.04314.77
5.3.250.0130.02714.77
5.3.240.0030.07014.77
5.3.230.0000.05714.77
5.3.220.0030.07714.77
5.3.210.0030.07314.77
5.3.200.0070.07014.77
5.3.190.0030.05714.77
5.3.180.0000.06314.77
5.3.170.0030.07014.77
5.3.160.0070.07014.77
5.3.150.0030.07714.77
5.3.140.0000.05014.77
5.3.130.0030.07714.77
5.3.120.0000.07314.77
5.3.110.0130.06714.77
5.3.100.0100.07014.77
5.3.90.0070.06714.77
5.3.80.0030.07314.77
5.3.70.0030.07314.77
5.3.60.0070.07314.77
5.3.50.0000.06314.77
5.3.40.0030.06314.77
5.3.30.0030.05314.77
5.3.20.0030.06714.77
5.3.10.0000.07714.77
5.3.00.0030.06714.77
5.2.170.0000.06014.77
5.2.160.0030.06014.77
5.2.150.0030.04314.77
5.2.140.0000.05714.77
5.2.130.0070.05314.77
5.2.120.0100.04714.77
5.2.110.0070.04314.77
5.2.100.0030.05714.77
5.2.90.0030.06014.77
5.2.80.0070.03314.77
5.2.70.0000.05714.77
5.2.60.0000.05714.77
5.2.50.0030.06314.77
5.2.40.0070.04714.77
5.2.30.0000.05014.77
5.2.20.0000.06014.77
5.2.10.0030.04014.77
5.2.00.0030.05714.77
5.1.60.0030.05314.77
5.1.50.0000.05014.77
5.1.40.0000.05314.77
5.1.30.0070.05014.77
5.1.20.0030.05014.77
5.1.10.0030.05014.77
5.1.00.0030.03714.77
5.0.50.0030.04714.77
5.0.40.0100.04014.77
5.0.30.0000.06014.77
5.0.20.0000.04314.77
5.0.10.0030.04314.77
5.0.00.0030.06014.77
4.4.90.0000.03314.77
4.4.80.0030.02714.77
4.4.70.0000.03714.77
4.4.60.0030.03014.77
4.4.50.0030.03014.77
4.4.40.0070.04714.77
4.4.30.0030.03014.77
4.4.20.0000.03014.77
4.4.10.0000.03014.77
4.4.00.0000.05014.77
4.3.110.0000.04014.77
4.3.100.0000.03714.77
4.3.90.0000.03714.77
4.3.80.0000.04314.77
4.3.70.0000.03314.77
4.3.60.0070.02314.77
4.3.50.0000.03314.77
4.3.40.0030.04714.77
4.3.30.0000.03314.77
4.3.20.0030.02714.77
4.3.10.0000.04014.77
4.3.00.0030.03314.77

preferences:
30.73 ms | 401 KiB | 5 Q