3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('foo' => 'bar'); foreach (array('foo', 'baz') as $key) { $var1 = $arr[$key] || 'fooDefault'; $var2 = $arr[$key] && $arr[$key]; var_dump($var1); var_dump($var2); }

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)
8.3.40.0140.00718.91
8.3.30.0130.00020.38
8.3.20.0040.00420.28
8.3.10.0080.00022.10
8.3.00.0030.00522.45
8.2.170.0040.01122.96
8.2.160.0040.01122.21
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.70
8.2.110.0030.00620.46
8.2.100.0080.00417.84
8.2.90.0040.00419.34
8.2.80.0000.00719.27
8.2.70.0000.00917.75
8.2.60.0050.00318.05
8.2.50.0080.00018.07
8.2.40.0000.01020.07
8.2.30.0000.00719.31
8.2.20.0040.00417.85
8.2.10.0040.00417.80
8.2.00.0000.00817.71
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0150.00028.09
8.1.240.0060.00323.72
8.1.230.0040.00820.83
8.1.220.0060.00317.78
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.39
8.1.180.0030.00618.10
8.1.170.0000.00918.59
8.1.160.0050.00318.80
8.1.150.0070.00018.55
8.1.140.0040.00417.36
8.1.130.0050.00317.84
8.1.120.0070.00017.48
8.1.110.0040.00417.43
8.1.100.0000.00717.34
8.1.90.0030.00317.45
8.1.80.0030.00317.42
8.1.70.0050.00317.39
8.1.60.0040.00417.46
8.1.50.0040.00417.45
8.1.40.0080.00017.52
8.1.30.0070.00017.50
8.1.20.0030.00517.67
8.1.10.0060.00317.63
8.1.00.0070.00017.56
8.0.300.0050.00218.77
8.0.290.0000.00717.18
8.0.280.0040.00418.35
8.0.270.0040.00417.22
8.0.260.0000.00616.88
8.0.250.0000.00716.89
8.0.240.0040.00416.91
8.0.230.0070.00016.95
8.0.220.0030.00316.95
8.0.210.0000.00716.95
8.0.200.0030.00517.06
8.0.190.0000.00816.96
8.0.180.0030.00516.89
8.0.170.0050.00216.87
8.0.160.0070.00016.94
8.0.150.0030.00516.90
8.0.140.0030.00516.88
8.0.130.0060.00013.34
8.0.120.0000.00716.91
8.0.110.0040.00416.92
8.0.100.0040.00416.99
8.0.90.0040.00416.98
8.0.80.0040.01716.93
8.0.70.0040.00417.07
8.0.60.0020.00516.95
8.0.50.0070.00016.93
8.0.30.0160.00517.20
8.0.20.0120.00717.41
8.0.10.0000.00716.95
8.0.00.0090.01216.73
7.4.330.0000.00616.69
7.4.320.0000.00616.36
7.4.300.0030.00316.60
7.4.290.0000.00716.45
7.4.280.0000.00816.39
7.4.270.0030.00316.50
7.4.260.0060.00013.39
7.4.250.0060.00316.42
7.4.240.0020.00516.49
7.4.230.0040.00416.48
7.4.220.0100.01016.54
7.4.210.0080.00816.54
7.4.200.0030.00316.70
7.4.190.0070.00016.55
7.4.160.0080.00816.53
7.4.150.0100.00717.40
7.4.140.0110.01217.86
7.4.130.0100.00816.53
7.4.120.0130.00516.45
7.4.110.0070.01016.53
7.4.100.0120.00916.59
7.4.90.0100.00716.48
7.4.80.0090.00919.39
7.4.70.0150.00616.42
7.4.60.0100.00616.50
7.4.50.0050.00516.39
7.4.40.0030.01022.77
7.4.30.0130.00316.41
7.4.00.0100.00315.15
7.3.330.0060.00013.21
7.3.320.0020.00213.24
7.3.310.0000.00716.18
7.3.300.0070.00016.34
7.3.290.0070.01316.35
7.3.280.0080.00716.36
7.3.270.0070.01017.40
7.3.260.0130.01016.33
7.3.250.0080.00816.32
7.3.240.0140.00316.36
7.3.230.0070.01016.39
7.3.210.0120.00616.27
7.3.200.0120.00319.39
7.3.190.0100.00616.52
7.3.180.0100.01016.56
7.3.170.0090.00616.45
7.3.160.0100.00716.34
7.3.120.0040.01214.61
7.2.330.0110.00716.41
7.2.320.0070.01116.75
7.2.310.0180.00616.75
7.2.300.0120.00616.58
7.2.290.0120.00616.45
7.2.60.0040.01117.03
7.2.50.0030.01116.84
7.1.200.0050.00515.66
7.1.70.0030.00517.19
7.1.60.0090.01619.21
7.1.50.0100.01416.93
7.1.00.0000.04322.42
7.0.200.0050.00316.65
7.0.140.0000.07721.99
7.0.100.0270.08319.91
7.0.90.0100.04019.93
7.0.80.0330.04719.95
7.0.70.0170.05720.13
7.0.60.0070.07319.96
7.0.50.0170.07720.39
7.0.40.0100.06320.11
7.0.30.0200.07020.07
7.0.20.0170.05020.07
7.0.10.0000.07720.09
7.0.00.0000.05720.04
5.6.280.0030.07320.81
5.6.250.0030.05020.61
5.6.240.0070.06320.71
5.6.230.0070.07320.61
5.6.220.0100.05020.60
5.6.210.0070.07020.43
5.6.200.0030.08021.09
5.6.190.0100.07321.03
5.6.180.0070.07320.95
5.6.170.0070.07321.05
5.6.160.0070.05320.93
5.6.150.0000.04721.04
5.6.140.0030.07721.13
5.6.130.0070.08320.95
5.6.120.0070.06021.07
5.6.110.0100.04721.11
5.6.100.0030.07020.93
5.6.90.0100.07321.08
5.6.80.0070.05720.34
5.6.70.0170.07020.48
5.6.60.0070.05320.43
5.6.50.0100.04020.49
5.6.40.0100.08020.38
5.6.30.0030.05020.38
5.6.20.0130.04020.39
5.6.10.0100.04020.52
5.6.00.0100.07020.40
5.5.380.0070.04020.40
5.5.370.0030.06320.33
5.5.360.0070.05020.42
5.5.350.0200.06320.40
5.5.340.0030.07720.93
5.5.330.0130.06320.92
5.5.320.0170.09320.90
5.5.310.0170.07320.76
5.5.300.0130.07720.70
5.5.290.0230.06320.89
5.5.280.0030.09020.75
5.5.270.0130.07020.76
5.5.260.0130.04320.88
5.5.250.0030.06320.71
5.5.240.0070.07720.18
5.5.230.0100.08320.02
5.5.220.0070.05320.14
5.5.210.0100.04320.13
5.5.200.0070.05320.21
5.5.190.0000.05320.27
5.5.180.0070.07020.22
5.5.160.0070.06020.08
5.5.150.0130.07719.98
5.5.140.0100.06720.17
5.5.130.0070.04320.17
5.5.120.0170.03720.23
5.5.110.0100.04020.23
5.5.100.0100.07320.10
5.5.90.0100.07320.07
5.5.80.0070.04320.16
5.5.70.0100.08020.06
5.5.60.0100.06720.05
5.5.50.0170.04720.07
5.5.40.0170.06720.12
5.5.30.0130.05720.04
5.5.20.0000.08019.93
5.5.10.0070.05020.11
5.5.00.0130.06720.06
5.4.450.0070.07719.23
5.4.440.0070.07719.55
5.4.430.0130.03719.39
5.4.420.0070.07019.39
5.4.410.0200.06019.34
5.4.400.0070.05019.10
5.4.390.0070.04719.12
5.4.380.0030.05319.03
5.4.370.0030.06718.97
5.4.360.0030.04718.81
5.4.350.0070.04318.95
5.4.340.0100.04718.81
5.4.320.0100.03319.03
5.4.310.0100.04019.23
5.4.300.0130.06319.14
5.4.290.0170.05318.81
5.4.280.0030.04019.07
5.4.270.0030.04018.84
5.4.260.0130.06319.07
5.4.250.0000.04318.97
5.4.240.0030.05719.02
5.4.230.0070.07319.11
5.4.220.0030.07318.95
5.4.210.0200.07319.04
5.4.200.0000.07319.14
5.4.190.0200.07019.04
5.4.180.0100.07019.04
5.4.170.0200.06018.80
5.4.160.0100.06018.95
5.4.150.0100.06018.96
5.4.140.0030.07016.21
5.4.130.0030.03716.31
5.4.120.0000.06316.30
5.4.110.0070.07016.26
5.4.100.0100.03016.38
5.4.90.0000.04016.38
5.4.80.0100.06316.43
5.4.70.0100.04316.33
5.4.60.0100.05316.36
5.4.50.0100.06016.37
5.4.40.0070.04016.36
5.4.30.0130.06016.16
5.4.20.0070.05316.23
5.4.10.0100.03716.30
5.4.00.0000.05715.66
5.3.290.0070.05314.52
5.3.280.0030.04714.50
5.3.270.0070.07714.59
5.3.260.0170.06714.47
5.3.250.0030.04014.46
5.3.240.0070.04314.60
5.3.230.0130.03314.59
5.3.220.0070.04714.57
5.3.210.0000.07314.40
5.3.200.0000.05014.38
5.3.190.0030.04014.52
5.3.180.0130.07014.55
5.3.170.0070.05714.38
5.3.160.0030.07714.54
5.3.150.0100.05714.57
5.3.140.0030.04014.54
5.3.130.0000.05014.50
5.3.120.0100.04014.37
5.3.110.0030.07314.55
5.3.100.0070.07713.88
5.3.90.0130.04313.97
5.3.80.0000.04013.77
5.3.70.0100.03314.01
5.3.60.0170.04713.86
5.3.50.0070.06713.94
5.3.40.0130.06313.90
5.3.30.0070.05713.90
5.3.20.0070.07313.55
5.3.10.0030.06013.42
5.3.00.0030.07013.63
5.2.170.0070.06311.15
5.2.160.0100.05010.97
5.2.150.0130.03711.12
5.2.140.0100.05011.10
5.2.130.0070.05311.08
5.2.120.0130.03011.16
5.2.110.0070.05010.93
5.2.100.0030.04710.94
5.2.90.0070.05711.06
5.2.80.0000.06310.91
5.2.70.0130.03011.04
5.2.60.0070.06311.12
5.2.50.0000.06710.81
5.2.40.0030.04311.02
5.2.30.0070.05310.79
5.2.20.0130.05310.80
5.2.10.0100.03710.75
5.2.00.0030.06010.75
5.1.60.0070.0509.98
5.1.50.0070.0479.99
5.1.40.0070.0539.98
5.1.30.0130.04710.26
5.1.20.0030.05710.37
5.1.10.0070.04710.07
5.1.00.0070.05310.11
5.0.50.0070.0238.53
5.0.40.0030.0278.41
5.0.30.0100.0438.27
5.0.20.0000.0208.29
5.0.10.0070.0408.16
5.0.00.0070.0608.26
4.4.90.0000.0377.94
4.4.80.0000.0237.94
4.4.70.0030.0337.94
4.4.60.0000.0277.94
4.4.50.0070.0277.94
4.4.40.0070.0407.94
4.4.30.0000.0277.94
4.4.20.0100.0237.94
4.4.10.0000.0277.94
4.4.00.0070.0207.94
4.3.110.0030.0177.94
4.3.100.0030.0307.94
4.3.90.0030.0177.94
4.3.80.0000.0407.94
4.3.70.0070.0307.94
4.3.60.0030.0137.94
4.3.50.0030.0137.94
4.3.40.0070.0237.94
4.3.30.0030.0307.94
4.3.20.0000.0177.94
4.3.10.0030.0137.94
4.3.00.0000.0307.94

preferences:
37.56 ms | 400 KiB | 5 Q