3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); function setDefault(&$variable, $default) { if (!isset($variable)) { $variable = $default; } } $foo = array( 'foo' => 'oof' ); setDefault($foo['bar'], 'rab'); print_r($foo); ?>

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)
8.3.40.0090.00618.55
8.3.30.0100.00320.21
8.3.20.0060.00320.53
8.3.10.0040.00421.10
8.3.00.0080.00023.53
8.2.170.0060.01222.96
8.2.160.0090.00620.55
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0080.00021.09
8.2.110.0060.00319.30
8.2.100.0060.00617.84
8.2.90.0050.00519.17
8.2.80.0040.00418.05
8.2.70.0040.00417.50
8.2.60.0030.00618.05
8.2.50.0080.00018.07
8.2.40.0060.00317.98
8.2.30.0040.00419.35
8.2.20.0000.00717.70
8.2.10.0040.00417.68
8.2.00.0030.00617.79
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0100.00723.96
8.1.230.0080.00320.89
8.1.220.0030.00618.77
8.1.210.0050.00319.16
8.1.200.0090.00017.13
8.1.190.0000.00817.40
8.1.180.0080.00018.10
8.1.170.0000.00818.67
8.1.160.0040.00418.87
8.1.150.0040.00418.63
8.1.140.0090.00017.35
8.1.130.0070.00017.73
8.1.120.0040.00417.36
8.1.110.0040.00317.33
8.1.100.0000.00817.33
8.1.90.0000.00817.48
8.1.80.0040.00417.36
8.1.70.0000.00717.43
8.1.60.0050.00317.57
8.1.50.0040.00417.41
8.1.40.0040.00417.51
8.1.30.0030.00617.65
8.1.20.0030.00617.63
8.1.10.0070.00017.51
8.1.00.0000.00717.32
8.0.300.0000.00719.81
8.0.290.0070.00017.18
8.0.280.0030.00318.43
8.0.270.0030.00317.24
8.0.260.0030.00316.83
8.0.250.0080.00016.84
8.0.240.0040.00416.92
8.0.230.0000.00716.91
8.0.220.0030.00316.88
8.0.210.0030.00316.89
8.0.200.0030.00316.88
8.0.190.0000.00816.99
8.0.180.0000.00716.93
8.0.170.0000.00716.77
8.0.160.0040.00416.84
8.0.150.0030.00316.75
8.0.140.0030.00316.80
8.0.130.0090.00013.38
8.0.120.0040.00416.74
8.0.110.0040.00416.78
8.0.100.0050.00316.84
8.0.90.0000.00716.91
8.0.80.0090.00616.79
8.0.70.0070.00016.88
8.0.60.0040.00416.75
8.0.50.0050.00316.91
8.0.30.0060.01217.00
8.0.20.0090.00917.40
8.0.10.0000.00816.89
8.0.00.0040.01416.66
7.4.330.0020.00514.99
7.4.320.0030.00316.41
7.4.300.0000.00616.63
7.4.290.0050.00316.60
7.4.280.0000.00716.57
7.4.270.0060.00016.60
7.4.260.0050.00413.15
7.4.250.0080.00016.56
7.4.240.0070.00016.45
7.4.230.0030.00316.36
7.4.220.0180.00016.45
7.4.210.0090.00716.57
7.4.200.0030.00316.47
7.4.190.0030.00316.72
7.4.160.0100.00616.47
7.4.150.0090.00917.40
7.4.140.0080.00817.86
7.4.130.0090.00816.41
7.4.120.0130.00516.52
7.4.110.0030.01316.65
7.4.100.0030.02016.53
7.4.90.0110.01116.46
7.4.80.0100.01419.39
7.4.70.0070.01016.52
7.4.60.0160.00016.58
7.4.50.0060.00316.49
7.4.40.0050.00522.77
7.4.30.0120.00416.55
7.4.10.0100.00614.83
7.4.00.0060.01214.93
7.3.330.0050.00013.25
7.3.320.0050.00013.24
7.3.310.0030.00316.25
7.3.300.0000.00816.13
7.3.290.0090.00616.29
7.3.280.0140.00316.28
7.3.270.0100.00717.40
7.3.260.0130.00918.24
7.3.250.0100.00716.57
7.3.240.0120.00916.32
7.3.230.0080.00916.39
7.3.210.0080.00816.26
7.3.200.0070.01419.39
7.3.190.0090.00916.53
7.3.180.0070.01016.11
7.3.170.0100.00616.66
7.3.160.0000.01616.48
7.3.130.0100.00715.16
7.3.120.0070.00714.87
7.3.110.0060.00914.73
7.3.100.0030.01014.78
7.3.90.0090.00614.60
7.3.80.0000.01514.98
7.3.70.0130.00314.86
7.3.60.0120.00314.71
7.3.50.0060.00614.87
7.3.40.0110.00314.89
7.3.30.0110.00014.76
7.3.20.0040.00816.61
7.3.10.0060.00916.80
7.3.00.0070.00416.72
7.2.330.0070.01116.34
7.2.320.0080.00816.73
7.2.310.0130.00716.78
7.2.300.0100.00716.38
7.2.290.0080.00816.79
7.2.260.0070.01114.58
7.2.250.0130.00614.95
7.2.240.0000.01415.05
7.2.230.0120.00414.60
7.2.220.0100.00714.80
7.2.210.0030.01415.19
7.2.200.0100.00614.75
7.2.190.0060.00614.98
7.2.180.0000.01314.98
7.2.170.0040.01214.93
7.2.160.0080.00415.16
7.2.150.0030.00916.97
7.2.140.0040.01216.84
7.2.130.0070.00416.78
7.2.120.0060.00716.74
7.2.110.0060.00916.92
7.2.100.0100.00316.85
7.2.90.0080.00516.97
7.2.80.0060.00716.89
7.2.70.0060.01016.91
7.2.60.0080.00716.65
7.2.50.0060.00316.84
7.2.40.0050.00716.91
7.2.30.0030.01216.73
7.2.20.0050.00816.75
7.2.10.0050.00916.80
7.2.00.0070.00716.65
7.1.330.0070.00715.86
7.1.320.0030.00715.77
7.1.310.0060.01015.78
7.1.300.0060.00615.80
7.1.290.0140.00015.77
7.1.280.0080.00615.55
7.1.270.0080.00015.54
7.1.260.0070.00715.84
7.1.250.0090.00415.80
7.1.240.0070.00715.46
7.1.230.0030.01015.75
7.1.220.0030.01415.66
7.1.210.0040.00815.74
7.1.200.0030.00915.88
7.1.190.0080.00415.48
7.1.180.0110.00315.70
7.1.170.0060.00615.66
7.1.160.0070.00715.98
7.1.150.0030.01015.73
7.1.140.0090.00615.91
7.1.130.0080.00615.54
7.1.120.0030.00615.60
7.1.110.0060.00615.77
7.1.100.0060.01216.94
7.1.90.0090.00915.61
7.1.80.0130.00015.64
7.1.70.0020.00616.61
7.1.60.0070.01217.56
7.1.50.0050.01416.28
7.1.40.0000.01015.62
7.1.30.0040.01115.82
7.1.20.0060.01015.55
7.1.10.0100.00315.85
7.1.00.0050.02019.15
7.0.330.0030.00915.28
7.0.320.0070.00315.34
7.0.310.0040.01115.32
7.0.300.0040.01115.27
7.0.290.0040.01115.48
7.0.280.0060.01015.41
7.0.270.0060.00915.30
7.0.260.0040.01115.41
7.0.250.0070.00715.15
7.0.240.0030.01115.38
7.0.230.0060.00615.24
7.0.220.0070.00715.34
7.0.210.0070.00715.34
7.0.200.0050.00615.87
7.0.190.0030.00715.13
7.0.180.0060.00315.38
7.0.170.0060.00315.57
7.0.160.0030.01215.42
7.0.150.0080.00615.58
7.0.140.0030.04318.71
7.0.130.0080.00815.41
7.0.120.0030.01315.35
7.0.110.0000.01315.51
7.0.100.0050.02018.54
7.0.90.0020.02418.59
7.0.80.0050.02318.46
7.0.70.0020.03118.63
7.0.60.0080.04118.63
7.0.50.0070.02018.81
7.0.40.0050.02516.71
7.0.30.0020.02416.57
7.0.20.0070.02416.76
7.0.10.0070.02416.71
7.0.00.0020.02816.80
5.6.400.0060.00913.84
5.6.390.0000.01414.42
5.6.380.0040.01214.59
5.6.370.0030.00714.63
5.6.360.0090.00614.70
5.6.350.0000.00914.27
5.6.340.0040.00714.36
5.6.330.0000.01114.63
5.6.320.0090.00613.92
5.6.310.0000.01014.51
5.6.300.0030.00514.60
5.6.290.0120.00314.35
5.6.280.0030.04217.73
5.6.270.0000.01814.54
5.6.260.0000.01414.48
5.6.250.0060.02017.72
5.6.240.0060.02117.49
5.6.230.0060.02317.43
5.6.220.0020.02417.50
5.6.210.0020.02717.42
5.6.200.0080.02517.78
5.6.190.0030.02417.59
5.6.180.0030.02317.68
5.6.170.0070.02217.64
5.6.160.0000.02817.57
5.6.150.0060.02317.66
5.6.140.0020.02517.70
5.6.130.0110.01717.71
5.6.120.0040.02517.82
5.6.110.0050.02317.60
5.6.100.0050.02517.65
5.6.90.0020.04117.60
5.6.80.0050.02217.46
5.6.70.0040.04417.34
5.6.60.0050.04117.49
5.6.50.0040.02517.46
5.6.40.0080.02017.29
5.6.30.0030.04417.34
5.6.20.0040.03017.14
5.6.10.0080.01817.49
5.6.00.0020.04517.33
5.5.380.0030.02517.19
5.5.370.0050.02017.45
5.5.360.0080.02017.28
5.5.350.0050.02217.31
5.5.340.0020.02417.66
5.5.330.0040.02717.50
5.5.320.0040.02817.35
5.5.310.0030.03417.69
5.5.300.0020.02717.60
5.5.290.0020.02717.53
5.5.280.0050.02517.69
5.5.270.0070.02217.54
5.5.260.0030.02517.43
5.5.250.0020.02517.36
5.5.240.0040.03317.18
5.5.230.0040.04517.10
5.5.220.0060.03817.27
5.5.210.0000.02617.10
5.5.200.0080.04017.31
5.5.190.0030.04517.17
5.5.180.0030.04117.13
5.5.170.0060.00613.97
5.5.160.0070.02817.35
5.5.150.0050.03817.09
5.5.140.0060.03817.16
5.5.130.0000.04317.32
5.5.120.0020.03717.30
5.5.110.0060.03717.21
5.5.100.0030.04417.27
5.5.90.0080.03317.10
5.5.80.0020.04217.06
5.5.70.0030.04617.08
5.5.60.0080.02216.96
5.5.50.0020.04517.02
5.5.40.0040.04217.09
5.5.30.0030.04217.01
5.5.20.0050.03817.17
5.5.10.0000.03217.05
5.5.00.0050.03116.98
5.4.450.0000.02315.41
5.4.440.0020.02315.38
5.4.430.0030.02315.31
5.4.420.0020.02215.31
5.4.410.0070.01815.34
5.4.400.0070.02415.07
5.4.390.0020.02315.25
5.4.380.0030.01815.25
5.4.370.0060.03715.05
5.4.360.0060.03815.19
5.4.350.0000.03915.17
5.4.340.0060.01815.17
5.4.330.0000.00711.25
5.4.320.0080.03615.15
5.4.310.0050.01815.20
5.4.300.0050.03315.21
5.4.290.0060.03615.19
5.4.280.0020.04215.19
5.4.270.0070.03615.14
5.4.260.0050.03715.24
5.4.250.0030.03515.06
5.4.240.0050.03715.17
5.4.230.0050.02215.11
5.4.220.0080.03515.18
5.4.210.0000.04015.24
5.4.200.0010.04315.19
5.4.190.0050.02715.04
5.4.180.0030.02615.18
5.4.170.0070.03715.23
5.4.160.0080.03815.09
5.4.150.0030.03915.19
5.4.140.0020.04213.88
5.4.130.0030.03213.85
5.4.120.0070.03513.79
5.4.110.0020.04613.79
5.4.100.0050.03213.84
5.4.90.0100.02313.86
5.4.80.0030.02313.87
5.4.70.0020.02613.80
5.4.60.0050.03713.83
5.4.50.0000.03613.88
5.4.40.0020.04013.78
5.4.30.0050.03213.78
5.4.20.0050.03613.84
5.4.10.0050.03313.82
5.4.00.0030.03813.51
5.3.290.0040.04012.96
5.3.280.0050.02012.88
5.3.270.0020.03612.95
5.3.260.0030.03712.91
5.3.250.0070.03212.99
5.3.240.0020.04312.92
5.3.230.0070.03312.96
5.3.220.0060.02812.94
5.3.210.0020.03612.89
5.3.200.0030.03212.94
5.3.190.0050.03712.87
5.3.180.0020.03912.87
5.3.170.0070.03512.91
5.3.160.0050.02712.90
5.3.150.0050.03512.98
5.3.140.0080.02812.90
5.3.130.0040.02912.93
5.3.120.0030.02612.96
5.3.110.0070.03812.90
5.3.100.0070.03712.61
5.3.90.0060.03712.67
5.3.80.0050.02712.59
5.3.70.0030.03312.64
5.3.60.0030.02812.62
5.3.50.0060.02012.63
5.3.40.0040.03912.67
5.3.30.0060.03512.57
5.3.20.0030.03412.41
5.3.10.0020.03812.46
5.3.00.0050.03512.45
5.2.170.0030.04711.17
5.2.160.0030.05711.15
5.2.150.0030.07011.14
5.2.140.0030.03311.25
5.2.130.0000.03311.18
5.2.120.0000.03010.96
5.2.110.0030.06011.00
5.2.100.0100.05011.23
5.2.90.0030.05711.00
5.2.80.0000.06011.18
5.2.70.0030.04011.02
5.2.60.0070.05711.05
5.2.50.0000.06011.07
5.2.40.0070.05710.88
5.2.30.0000.05710.88
5.2.20.0000.04011.06
5.2.10.0030.05310.91
5.2.00.0030.06010.66
5.1.60.0100.04310.06
5.1.50.0030.04010.09
5.1.40.0030.0379.86
5.1.30.0070.05310.29
5.1.20.0070.05310.35
5.1.10.0030.02310.15
5.1.00.0000.05710.05
5.0.50.0070.0409.84
5.0.40.0070.0409.84
5.0.30.0030.0339.84
5.0.20.0000.0479.84
5.0.10.0030.0239.84
5.0.00.0000.0709.84
4.4.90.0000.0379.84
4.4.80.0000.0339.84
4.4.70.0000.0279.84
4.4.60.0030.0339.84
4.4.50.0030.0279.84
4.4.40.0030.0509.84
4.4.30.0000.0209.84
4.4.20.0030.0339.84
4.4.10.0000.0379.84
4.4.00.0000.0439.84
4.3.110.0100.0279.84
4.3.100.0070.0139.84
4.3.90.0070.0309.84
4.3.80.0000.0579.84
4.3.70.0030.0309.84
4.3.60.0000.0209.84
4.3.50.0070.0309.84
4.3.40.0070.0339.84
4.3.30.0000.0379.84
4.3.20.0000.0379.84
4.3.10.0030.0279.84
4.3.00.0100.0279.84

preferences:
45.64 ms | 400 KiB | 5 Q