3v4l.org

run code in 300+ PHP versions simultaneously
<?php function assignIfSet($testable, &$assigned) { if(isset($testable)) { $assigned = $testable; return true; } $assigned = null; return false; } $arr = [ 'foo' => (object)[ 'bar' => (object)[ 'zigi' => 1 ] ] ]; $foo = 'bogus'; if(assignIfSet($arr['foo']->bar->zigi, $foo)) { echo $foo; } else { echo 'Failure'; }

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)
8.3.60.0070.01418.56
8.3.50.0110.00821.98
8.3.40.0090.00618.78
8.3.30.0080.00518.93
8.3.20.0080.00020.21
8.3.10.0040.00423.61
8.3.00.0060.00319.02
8.2.180.0110.00418.31
8.2.170.0070.00722.96
8.2.160.0030.01022.02
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00321.05
8.2.110.0030.00622.25
8.2.100.0060.00618.22
8.2.90.0060.00319.27
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0050.00317.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0000.00718.14
8.2.20.0030.00617.77
8.2.10.0050.00318.08
8.2.00.0040.00417.82
8.1.280.0140.00325.92
8.1.270.0000.00818.86
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0060.00323.97
8.1.230.0110.00019.19
8.1.220.0030.00517.75
8.1.210.0000.00818.77
8.1.200.0080.00417.23
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0030.00518.53
8.1.160.0050.00222.04
8.1.150.0000.00718.90
8.1.140.0000.00819.21
8.1.130.0000.00717.78
8.1.120.0000.00717.47
8.1.110.0040.00417.33
8.1.100.0040.00417.52
8.1.90.0070.00017.49
8.1.80.0000.00817.45
8.1.70.0030.00317.38
8.1.60.0060.00617.59
8.1.50.0000.00817.59
8.1.40.0030.00617.42
8.1.30.0030.00617.65
8.1.20.0000.00717.64
8.1.10.0040.00417.60
8.1.00.0070.00017.50
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0000.00718.32
8.0.270.0000.00717.27
8.0.260.0030.00317.31
8.0.250.0000.00917.05
8.0.240.0000.00817.07
8.0.230.0040.00416.84
8.0.220.0000.00716.93
8.0.210.0030.00316.89
8.0.200.0000.00816.96
8.0.190.0090.00016.99
8.0.180.0000.00716.91
8.0.170.0060.00316.82
8.0.160.0050.00316.80
8.0.150.0040.00416.86
8.0.140.0040.00416.80
8.0.130.0030.00313.32
8.0.120.0070.00016.80
8.0.110.0000.00816.81
8.0.100.0000.00716.77
8.0.90.0050.00216.98
8.0.80.0060.00916.86
8.0.70.0000.00716.93
8.0.60.0000.00716.87
8.0.50.0070.00016.95
8.0.30.0120.01217.15
8.0.20.0080.01017.40
8.0.10.0000.00716.98
8.0.00.0150.00816.90
7.4.330.0020.00215.03
7.4.320.0030.00316.54
7.4.300.0000.00616.59
7.4.290.0000.00716.47
7.4.280.0000.00716.51
7.4.270.0030.00316.50
7.4.260.0000.00716.60
7.4.250.0000.00716.50
7.4.240.0030.00316.52
7.4.230.0030.00316.43
7.4.220.0060.01216.57
7.4.210.0060.00816.61
7.4.200.0030.00516.27
7.4.160.0130.00616.41
7.4.150.0130.00417.40
7.4.140.0150.00517.86
7.4.130.0040.01216.65
7.4.120.0090.00916.51
7.4.110.0110.00916.74
7.4.100.0060.01316.64
7.4.90.0070.01016.75
7.4.80.0070.01419.39
7.4.70.0140.00416.51
7.4.60.0040.01216.59
7.4.50.0040.00016.54
7.4.40.0070.01816.50
7.4.30.0090.01216.29
7.4.00.0020.01214.94
7.3.330.0000.00613.50
7.3.320.0030.00313.47
7.3.310.0000.00716.44
7.3.300.0070.00016.45
7.3.290.0030.01116.40
7.3.280.0120.00816.44
7.3.270.0140.00417.40
7.3.260.0060.01116.59
7.3.250.0090.00816.44
7.3.240.0130.00316.48
7.3.230.0130.00616.41
7.3.210.0110.00616.36
7.3.200.0100.00719.39
7.3.190.0030.01216.34
7.3.180.0150.00016.43
7.3.170.0120.00616.45
7.3.160.0130.00316.41
7.3.120.0070.00714.71
7.3.110.0100.00714.77
7.3.100.0090.00614.91
7.3.90.0110.00015.05
7.3.80.0100.00314.86
7.3.70.0030.01014.92
7.3.60.0060.00614.69
7.3.50.0110.00314.85
7.3.40.0060.00914.48
7.3.30.0060.00615.07
7.3.20.0070.00716.56
7.3.10.0070.00916.38
7.3.00.0080.00816.40
7.2.330.0060.01216.47
7.2.320.0120.00616.72
7.2.310.0080.00816.57
7.2.300.0070.01016.51
7.2.290.0090.00816.69
7.2.250.0060.01014.82
7.2.240.0140.00414.90
7.2.230.0090.00615.08
7.2.220.0040.01415.24
7.2.210.0090.00915.05
7.2.200.0100.00715.15
7.2.190.0030.01015.02
7.2.180.0040.01115.04
7.2.170.0110.00315.15
7.2.130.0160.00416.41
7.2.120.0120.00616.50
7.2.110.0150.00716.36
7.2.100.0140.00716.53
7.2.90.0190.00416.50
7.2.80.0120.00616.75
7.2.70.0090.00916.59
7.2.60.0080.01116.38
7.2.50.0130.01016.57
7.2.40.0180.00216.87
7.2.30.0100.00716.84
7.2.20.0090.01216.80
7.2.10.0100.00716.64
7.2.00.0050.01118.10
7.1.330.0140.00015.76
7.1.320.0090.00315.82
7.1.310.0040.01415.89
7.1.300.0000.00915.97
7.1.290.0080.00815.76
7.1.280.0060.00915.71
7.1.270.0070.00715.67
7.1.260.0060.00915.61
7.1.250.0120.00615.44
7.1.200.0220.00015.85
7.1.100.0560.01316.09
7.1.70.0000.00817.38
7.1.60.0030.00717.13
7.1.50.0130.01016.98
7.1.00.0070.07322.39
7.0.200.0030.01416.80
7.0.140.0100.02721.98
7.0.60.0030.05319.91
7.0.50.0100.06717.94
7.0.40.0100.04720.42
7.0.30.0300.05020.11
7.0.20.0230.05320.22
7.0.10.0030.09020.08
7.0.00.0070.07720.01
5.6.280.0000.07721.07
5.6.210.0070.06320.44
5.6.200.0030.08018.19
5.6.190.0070.08320.45
5.6.180.0230.05020.61
5.6.170.0300.05020.62
5.6.160.0000.05720.54
5.6.150.0130.04718.28
5.6.140.0130.05018.19
5.6.130.0070.04318.14
5.6.120.0070.05320.95
5.6.110.0170.05720.97
5.6.100.0100.08320.89
5.6.90.0030.06021.18
5.6.80.0200.07020.51
5.5.350.4030.03320.38
5.5.340.0100.06718.03
5.5.330.0100.08320.44
5.5.320.0330.07020.41
5.5.310.0300.05320.36
5.5.300.0070.08017.97
5.5.290.0130.07318.05
5.5.280.0070.03720.76
5.5.270.0030.04320.76
5.5.260.0030.04020.84
5.5.250.0100.06320.46
5.5.240.0000.05020.12
5.4.450.0730.06019.63
5.4.440.0870.05719.30
5.4.430.0700.05019.51
5.4.420.0800.04319.66
5.4.410.0030.06019.31
5.4.400.0730.05319.19
5.4.390.0470.04018.81
5.4.380.0270.05318.79
5.4.370.0430.04318.52
5.4.360.0270.05018.50
5.4.350.0400.06718.57
5.4.340.0230.08018.79
5.4.320.0570.05718.73
5.4.310.0270.05318.80
5.4.300.0330.06718.59
5.4.290.0270.08018.79
5.4.280.0200.05318.45
5.4.270.0330.04318.65
5.4.260.0330.04318.45
5.4.250.0330.05018.46
5.4.240.0270.05318.60
5.4.230.0230.05718.59
5.4.220.0370.05018.48
5.4.210.0270.04718.56
5.4.200.0170.05316.67
5.4.190.0300.04718.79
5.4.180.0330.04318.76
5.4.170.0170.06318.77
5.4.160.0200.05318.79
5.4.150.0200.05318.60
5.4.140.0170.06016.42
5.4.130.0270.04316.20
5.4.120.0070.06716.28
5.4.110.0200.05316.29
5.4.100.0270.04716.18
5.4.90.0300.04316.38
5.4.80.0270.05016.20
5.4.70.0130.06016.42
5.4.60.0130.05716.23
5.4.50.0170.05316.30
5.4.40.0170.05716.21
5.4.30.0230.04716.22
5.4.20.0300.04316.38
5.4.10.0230.05316.22
5.4.00.0230.05015.71
5.3.290.0330.05014.66
5.3.280.0230.05014.70
5.3.270.0270.05014.66
5.3.260.0200.05714.83
5.3.250.0170.05714.62
5.3.240.0230.05014.65
5.3.230.0270.05314.63
5.3.220.0200.05314.61
5.3.210.0170.05714.77
5.3.200.0270.07314.66
5.3.190.0270.06714.66
5.3.180.0270.04314.62
5.3.170.0170.05314.77
5.3.160.0100.06314.69
5.3.150.0230.05014.80
5.3.140.0200.05014.75
5.3.130.0200.05314.64
5.3.120.0270.05014.68
5.3.110.0170.05714.57
5.3.100.0100.05714.26
5.3.90.0230.04314.13
5.3.80.0270.05014.01
5.3.70.0230.04713.99
5.3.60.0330.03714.05
5.3.50.0300.04314.00
5.3.40.0170.05314.07
5.3.30.0170.05313.92
5.3.20.0130.05713.69
5.3.10.0270.04713.78
5.3.00.0170.05713.76
5.2.170.0230.05311.17
5.2.160.0270.05711.17
5.2.150.0200.04311.34
5.2.140.0170.04711.36
5.2.130.0230.04011.15
5.2.120.0230.05011.23
5.2.110.0230.03711.09
5.2.100.0170.04011.12
5.2.90.0230.03711.17
5.2.80.0100.05011.12
5.2.70.0170.04311.09
5.2.60.0170.04311.13
5.2.50.0170.04311.03
5.2.40.0130.04311.09
5.2.30.0200.04010.98
5.2.20.0130.04010.97
5.2.10.0130.04710.96
5.2.00.0170.04010.75
5.1.60.0170.0309.99
5.1.50.0130.04010.06
5.1.40.0170.03010.18
5.1.30.0130.05310.40
5.1.20.0170.05010.49
5.1.10.0130.03310.08
5.1.00.0170.03310.20
5.0.50.0100.0278.58
5.0.40.0170.0208.48
5.0.30.0070.0438.25
5.0.20.0170.0208.20
5.0.10.0100.0408.17
5.0.00.0100.0438.36
4.4.90.0100.0205.92
4.4.80.0070.0235.90
4.4.70.0100.0205.93
4.4.60.0030.0275.89
4.4.50.0100.0275.98
4.4.40.0130.0375.92
4.4.30.0070.0275.91
4.4.20.0100.0236.02
4.4.10.0030.0276.05
4.4.00.0000.0435.95
4.3.110.0170.0135.95
4.3.100.0100.0205.92
4.3.90.0130.0135.79
4.3.80.0130.0305.82
4.3.70.0030.0275.80
4.3.60.0030.0235.77
4.3.50.0070.0205.82
4.3.40.0070.0335.79
4.3.30.0030.0234.55
4.3.20.0030.0234.53
4.3.10.0070.0204.62
4.3.00.0000.0307.34

preferences:
55.75 ms | 401 KiB | 5 Q