3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a' => false, 'b' => null, 'c' => '', 'd' => 'd'); function asBool($value) { return $value ? 'true' : 'false' ; } foreach ($array as $k => $v) { printf( '%s => %s isset = %s ake = %s' . PHP_EOL, $k, $v, asBool(isset($array[ $k ])), asBool(array_key_exists($k, $array)) ); }

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)
8.3.60.0070.00718.28
8.3.50.0050.01521.14
8.3.40.0090.00618.63
8.3.30.0030.01020.13
8.3.20.0040.00420.22
8.3.10.0000.00822.09
8.3.00.0070.00022.38
8.2.180.0150.00616.63
8.2.170.0130.00322.96
8.2.160.0080.00522.08
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00320.65
8.2.110.0060.00322.23
8.2.100.0090.00317.91
8.2.90.0080.00019.17
8.2.80.0030.00519.30
8.2.70.0030.00617.62
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0060.00319.94
8.2.30.0040.00419.48
8.2.20.0040.00417.68
8.2.10.0000.00717.76
8.2.00.0080.00017.63
8.1.280.0070.01125.92
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.73
8.1.230.0110.00023.91
8.1.220.0050.00517.74
8.1.210.0050.00318.77
8.1.200.0070.00417.23
8.1.190.0000.00917.54
8.1.180.0050.00319.01
8.1.170.0000.00818.36
8.1.160.0050.00518.96
8.1.150.0070.00018.70
8.1.140.0040.00417.37
8.1.130.0000.00717.72
8.1.120.0050.00217.50
8.1.110.0020.00517.34
8.1.100.0000.00717.45
8.1.90.0030.00417.47
8.1.80.0040.00417.50
8.1.70.0040.00417.44
8.1.60.0090.00017.55
8.1.50.0040.00417.46
8.1.40.0070.00317.54
8.1.30.0000.00817.58
8.1.20.0040.00417.60
8.1.10.0070.00017.59
8.1.00.0040.00417.29
8.0.300.0000.00718.77
8.0.290.0070.00017.18
8.0.280.0070.00018.46
8.0.270.0030.00317.23
8.0.260.0040.00416.75
8.0.250.0000.00716.85
8.0.240.0040.00416.86
8.0.230.0040.00416.99
8.0.220.0080.00016.90
8.0.210.0000.00716.77
8.0.200.0030.00316.96
8.0.190.0040.00416.87
8.0.180.0000.00716.87
8.0.170.0050.00316.84
8.0.160.0000.00716.89
8.0.150.0030.00316.89
8.0.140.0030.00516.80
8.0.130.0000.00613.36
8.0.120.0000.00716.82
8.0.110.0050.00216.86
8.0.100.0070.00016.79
8.0.90.0030.00416.93
8.0.80.0070.01316.78
8.0.70.0040.00417.01
8.0.60.0000.00816.91
8.0.50.0000.00716.83
8.0.30.0080.01017.20
8.0.20.0080.01417.40
8.0.10.0040.00416.87
8.0.00.0060.01416.86
7.4.330.0040.00015.00
7.4.320.0060.00016.59
7.4.300.0060.00016.44
7.4.290.0070.00016.66
7.4.280.0070.00016.51
7.4.270.0000.00716.61
7.4.260.0050.00013.30
7.4.250.0080.00016.53
7.4.240.0040.00416.60
7.4.230.0030.00316.61
7.4.220.0150.00316.66
7.4.210.0060.00816.50
7.4.200.0040.00416.46
7.4.190.0000.00716.72
7.4.160.0080.00816.64
7.4.150.0120.00617.40
7.4.140.0130.00617.86
7.4.130.0110.00616.52
7.4.120.0130.00516.47
7.4.110.0100.00716.66
7.4.100.0060.01016.70
7.4.90.0080.00916.48
7.4.80.0150.01519.39
7.4.70.0100.00616.59
7.4.60.0090.01216.53
7.4.50.0000.00516.21
7.4.40.0070.00722.77
7.4.30.0100.01016.59
7.4.00.0030.01014.77
7.3.330.0030.00313.37
7.3.320.0000.00613.39
7.3.310.0000.00816.33
7.3.300.0050.00316.35
7.3.290.0100.01016.30
7.3.280.0090.00816.27
7.3.270.0090.00917.40
7.3.260.0130.00616.32
7.3.250.0080.00816.37
7.3.240.0040.01816.65
7.3.230.0170.00716.55
7.3.210.0150.00616.55
7.3.200.0110.01119.39
7.3.190.0070.01016.30
7.3.180.0090.00916.55
7.3.170.0150.00016.29
7.3.160.0070.01416.32
7.3.120.0000.01414.68
7.2.330.0130.00616.37
7.2.320.0090.01316.66
7.2.310.0170.00316.51
7.2.300.0060.01516.65
7.2.290.0130.00316.44
7.2.00.0130.00818.96
7.1.100.0060.00917.97
7.1.70.0070.00717.16
7.1.60.0100.01016.66
7.1.50.0060.01617.12
7.1.00.0030.03322.45
7.0.200.0070.00716.52
7.0.140.0070.07321.95
7.0.100.0070.07720.03
7.0.90.0070.05019.96
7.0.80.0070.08019.93
7.0.70.0070.07719.91
7.0.60.0130.06719.98
7.0.50.0130.08020.30
7.0.40.0100.07320.09
7.0.30.0100.08320.14
7.0.20.0130.07720.04
7.0.10.0070.07320.14
7.0.00.0100.04720.08
5.6.280.0030.07320.89
5.6.250.0070.06720.70
5.6.240.0030.04720.65
5.6.230.0170.06720.66
5.6.220.0130.07720.68
5.6.210.0130.08020.65
5.6.200.0070.06321.12
5.6.190.0100.07721.07
5.6.180.0200.06321.05
5.6.170.0200.07021.12
5.6.160.0170.06720.97
5.6.150.0130.08021.04
5.6.140.0030.08321.01
5.6.130.0000.08721.06
5.6.120.0130.07321.05
5.6.110.0030.09021.14
5.6.100.0130.08020.95
5.6.90.0070.09021.05
5.6.80.0100.07320.44
5.6.70.0070.08320.43
5.6.60.0100.06020.48
5.6.50.0170.07320.56
5.6.40.0170.06720.40
5.6.30.0170.06020.33
5.6.20.0070.07020.38
5.6.10.0100.08020.29
5.6.00.0070.06020.37
5.5.380.0030.04320.37
5.5.370.0100.07320.50
5.5.360.0030.05320.43
5.5.350.0100.08020.45
5.5.340.0030.07020.79
5.5.330.0070.08020.91
5.5.320.0070.07720.65
5.5.310.0130.07020.80
5.5.300.0100.08020.93
5.5.290.0170.07720.93
5.5.280.0100.08320.78
5.5.270.0070.08720.73
5.5.260.0170.07320.80
5.5.250.0030.08020.73
5.5.240.0030.08020.25
5.5.230.0030.05720.11
5.5.220.0100.06320.31
5.5.210.0000.07320.25
5.5.200.0070.07320.23
5.5.190.0070.07020.19
5.5.180.0130.04720.23
5.5.160.0030.08020.14
5.5.150.0030.07320.27
5.5.140.0100.08020.27
5.5.130.0100.07320.16
5.5.120.0000.04320.08
5.5.110.0100.04020.22
5.5.100.0100.03320.16
5.5.90.0100.07020.11
5.5.80.0100.03320.17
5.5.70.0030.06720.17
5.5.60.0030.03720.14
5.5.50.0070.03020.03
5.5.40.0070.03720.07
5.5.30.0030.06319.96
5.5.20.0030.08020.06
5.5.10.0100.04020.04
5.5.00.0070.07320.00
5.4.450.0130.07319.38
5.4.440.0100.07319.45
5.4.430.0170.06719.37
5.4.420.0230.06719.17
5.4.410.0100.07319.25
5.4.400.0100.05719.13
5.4.390.0100.07318.90
5.4.380.0130.06719.09
5.4.370.0070.07319.04
5.4.360.0170.06019.11
5.4.350.0030.07319.04
5.4.340.0070.07018.91
5.4.320.0070.06719.04
5.4.310.0070.07719.21
5.4.300.0030.08319.18
5.4.290.0070.06319.23
5.4.280.0000.07319.12
5.4.270.0070.04019.18
5.4.260.0000.05719.09
5.4.250.0030.04319.15
5.4.240.0070.05319.04
5.4.230.0000.04019.04
5.4.220.0100.03318.95
5.4.210.0030.03719.05
5.4.200.0000.04019.13
5.4.190.0070.06018.90
5.4.180.0070.06718.89
5.4.170.0030.07718.94
5.4.160.0000.06019.21
5.4.150.0030.04019.16
5.4.140.0100.03016.42
5.4.130.0000.05316.18
5.4.120.0070.05716.43
5.4.110.0070.04016.39
5.4.100.0030.07316.39
5.4.90.0030.05316.44
5.4.80.0000.03716.50
5.4.70.0030.05016.47
5.4.60.0070.05016.45
5.4.50.0070.03716.34
5.4.40.0030.03716.37
5.4.30.0000.04016.34
5.4.20.0030.04016.34
5.4.10.0000.04316.48
5.4.00.0000.03715.85
5.3.290.0070.07014.70
5.3.280.0000.06714.71
5.3.270.0100.07314.62
5.3.260.0070.04014.63
5.3.250.0130.04314.59
5.3.240.0070.04714.53
5.3.230.0070.05314.71
5.3.220.0000.04014.69
5.3.210.0030.04014.52
5.3.200.0000.03714.63
5.3.190.0030.04014.50
5.3.180.0030.04314.52
5.3.170.0070.03014.70
5.3.160.0030.07714.57
5.3.150.0030.04014.58
5.3.140.0030.05714.58
5.3.130.0070.03714.53
5.3.120.0000.06314.48
5.3.110.0030.04314.60
5.3.100.0000.06014.16
5.3.90.0030.04014.16
5.3.80.0030.07014.16
5.3.70.0000.05714.16
5.3.60.0000.05014.16
5.3.50.0000.03714.16
5.3.40.0000.04014.16
5.3.30.0070.04314.16
5.3.20.0030.06714.16
5.3.10.0000.03314.16
5.3.00.0000.03714.16
5.2.170.0030.02714.16
5.2.160.0070.03714.16
5.2.150.0100.05314.16
5.2.140.0000.05714.16
5.2.130.0000.03014.16
5.2.120.0030.02714.16
5.2.110.0000.02714.16
5.2.100.0100.05014.16
5.2.90.0030.05014.16
5.2.80.0000.03314.16
5.2.70.0030.03314.16
5.2.60.0030.03014.16
5.2.50.0000.03314.16
5.2.40.0000.03014.16
5.2.30.0030.06014.16
5.2.20.0100.04314.16
5.2.10.0070.05714.16
5.2.00.0070.04314.16
5.1.60.0030.02014.16
5.1.50.0000.05314.16
5.1.40.0070.05314.16
5.1.30.0030.05714.16
5.1.20.0030.05014.16
5.1.10.0070.05714.16
5.1.00.0030.05314.16
5.0.50.0000.05014.16
5.0.40.0100.04014.16
5.0.30.0070.05714.16
5.0.20.0030.04314.16
5.0.10.0030.04714.16
5.0.00.0000.04714.16
4.4.90.0030.02014.16
4.4.80.0000.01314.16
4.4.70.0000.02014.16
4.4.60.0070.02314.16
4.4.50.0000.02314.16
4.4.40.0030.02714.16
4.4.30.0030.03714.16
4.4.20.0130.02714.16
4.4.10.0000.03714.16
4.4.00.0000.05714.16
4.3.110.0030.03314.16
4.3.100.0000.01714.16
4.3.90.0030.03314.16
4.3.80.0100.04314.16
4.3.70.0070.02014.16
4.3.60.0030.03314.16
4.3.50.0030.03314.16
4.3.40.0070.03014.16
4.3.30.0000.03714.16
4.3.20.0000.03714.16
4.3.10.0030.03314.16
4.3.00.0000.03314.16

preferences:
38.18 ms | 401 KiB | 5 Q