3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='apple'; $b='a'; $c='b'; $d='c'; $obj = new StdClass; $obj->apple = 'sauce'; echo $obj->$$$$d,"\n"; var_dump("$$$$d"); echo "{$$$$d}\n";

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)
8.3.60.0090.00616.63
8.3.50.0070.00716.29
8.3.40.0120.00318.57
8.3.30.0080.00818.72
8.3.20.0040.00420.34
8.3.10.0040.00423.65
8.3.00.0080.00021.64
8.2.180.0140.00016.50
8.2.170.0140.00022.96
8.2.160.0100.00320.41
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0070.00021.11
8.2.110.0100.01019.27
8.2.100.0080.00417.91
8.2.90.0030.00519.17
8.2.80.0050.00317.97
8.2.70.0060.00317.38
8.2.60.0030.00717.93
8.2.50.0040.00418.09
8.2.40.0080.00022.14
8.2.30.0030.00319.30
8.2.20.0000.00817.63
8.2.10.0020.00518.18
8.2.00.0040.00418.20
8.1.280.0070.01025.92
8.1.270.0070.01122.14
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0070.00722.01
8.1.230.0040.00821.00
8.1.220.0080.00017.76
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.71
8.1.160.0070.00020.63
8.1.150.0000.00718.88
8.1.140.0030.00519.48
8.1.130.0070.00017.50
8.1.120.0000.00717.46
8.1.110.0000.00717.48
8.1.100.0050.00317.46
8.1.90.0040.00417.36
8.1.80.0000.00717.45
8.1.70.0040.00417.35
8.1.60.0050.00217.59
8.1.50.0030.00617.40
8.1.40.0040.00417.49
8.1.30.0080.00017.57
8.1.20.0050.00217.64
8.1.10.0000.00717.41
8.1.00.0000.00717.48
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.47
8.0.270.0040.00417.26
8.0.260.0060.00016.75
8.0.250.0030.00316.94
8.0.240.0060.00316.86
8.0.230.0030.00317.01
8.0.220.0040.00416.77
8.0.210.0030.00316.92
8.0.200.0040.00416.84
8.0.190.0030.00416.94
8.0.180.0000.01016.79
8.0.170.0050.00216.81
8.0.160.0030.00316.98
8.0.150.0040.00416.85
8.0.140.0100.00016.70
8.0.130.0050.00013.30
8.0.120.0040.00416.84
8.0.110.0000.00816.91
8.0.100.0040.00416.71
8.0.90.0040.00416.92
8.0.80.0040.01216.93
8.0.70.0040.00416.85
8.0.60.0050.00316.82
8.0.50.0040.00416.91
8.0.30.0100.00817.33
8.0.20.0110.00817.41
8.0.10.0000.00716.86
8.0.00.0080.01016.63
7.4.330.0030.00316.77
7.4.320.0030.00316.59
7.4.300.0030.00516.57
7.4.290.0040.00416.45
7.4.280.0000.00716.38
7.4.270.0000.00716.59
7.4.260.0040.00316.55
7.4.250.0050.00316.51
7.4.240.0040.00416.57
7.4.230.0030.00316.57
7.4.220.0060.01216.48
7.4.210.0070.00716.55
7.4.200.0030.00316.49
7.4.160.0040.01116.51
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0100.00916.51
7.4.120.0140.00316.58
7.4.110.0120.00616.44
7.4.100.0090.00916.41
7.4.90.0060.01216.49
7.4.80.0070.01019.39
7.4.70.0040.01216.54
7.4.60.0070.01116.35
7.4.50.0070.00716.45
7.4.40.0040.01416.49
7.4.30.0080.01316.47
7.4.10.0030.01615.15
7.4.00.0090.00614.97
7.3.330.0000.00613.13
7.3.320.0000.00613.03
7.3.310.0030.00316.32
7.3.300.0000.00716.24
7.3.290.0080.01016.24
7.3.280.0080.00716.25
7.3.270.0090.00917.40
7.3.260.0100.01316.25
7.3.250.0100.00716.40
7.3.240.0140.00816.43
7.3.230.0130.00416.39
7.3.210.0150.00316.42
7.3.200.0060.01019.39
7.3.190.0170.00316.35
7.3.180.0120.00416.36
7.3.170.0120.00916.56
7.3.160.0030.01316.43
7.3.130.0030.00714.91
7.3.120.0030.01014.68
7.3.110.0060.00915.04
7.3.100.0140.00314.54
7.3.90.0040.00714.61
7.3.80.0070.00714.77
7.3.70.0070.01014.80
7.3.60.0080.00414.86
7.3.50.0030.00514.68
7.3.40.0040.01214.89
7.3.30.0030.01014.88
7.3.20.0040.00816.72
7.3.10.0150.00016.54
7.3.00.0080.00316.60
7.2.330.0100.00716.77
7.2.320.0130.01316.70
7.2.310.0110.00616.33
7.2.300.0140.00716.70
7.2.290.0140.00816.45
7.2.260.0070.01115.33
7.2.250.0030.01215.00
7.2.240.0130.00014.74
7.2.230.0080.00815.30
7.2.220.0080.00815.00
7.2.210.0090.00615.25
7.2.200.0030.01014.96
7.2.190.0040.01115.21
7.2.180.0030.00714.96
7.2.170.0100.00614.76
7.2.160.0040.01115.18
7.2.150.0000.01316.73
7.2.140.0120.00316.84
7.2.130.0030.00916.93
7.2.120.0000.01116.84
7.2.110.0070.00716.76
7.2.100.0000.01216.99
7.2.90.0100.00317.17
7.2.80.0060.00816.70
7.2.70.0030.01516.86
7.2.60.0050.00916.96
7.2.50.0090.00317.05
7.2.40.0110.00417.01
7.2.30.0000.01417.15
7.2.20.0000.01817.02
7.2.10.0070.00316.91
7.2.00.0040.00718.28
7.1.330.0100.00615.62
7.1.320.0030.01015.86
7.1.310.0060.01015.88
7.1.300.0100.00315.61
7.1.290.0050.00515.68
7.1.280.0080.00515.99
7.1.270.0030.01015.75
7.1.260.0030.01015.64
7.1.250.0070.00715.88
7.1.240.0000.01515.83
7.1.230.0030.01015.64
7.1.220.0050.00515.67
7.1.210.0030.01015.56
7.1.200.0050.00515.74
7.1.190.0030.00615.93
7.1.180.0060.00615.72
7.1.170.0070.00715.75
7.1.160.0000.01315.79
7.1.150.0000.01015.82
7.1.140.0030.00615.77
7.1.130.0040.01015.48
7.1.120.0030.00715.71
7.1.110.0030.00715.85
7.1.100.0060.00716.77
7.1.90.0070.00715.77
7.1.80.0130.00015.85
7.1.70.0050.00516.36
7.1.60.0070.01217.66
7.1.50.0050.01316.31
7.1.40.0080.00415.67
7.1.30.0090.00615.41
7.1.20.0110.00315.62
7.1.10.0110.00715.62
7.1.00.0030.04319.01
7.0.330.0110.00015.44
7.0.320.0110.00415.38
7.0.310.0000.01415.47
7.0.300.0060.00615.26
7.0.290.0060.00315.55
7.0.280.0030.01015.52
7.0.270.0070.00715.39
7.0.260.0060.00315.52
7.0.250.0030.00615.47
7.0.240.0030.01315.59
7.0.230.0000.00915.50
7.0.220.0070.00315.57
7.0.210.0030.00615.42
7.0.200.0240.00515.24
7.0.190.0040.01115.50
7.0.180.0070.00715.58
7.0.170.0060.00315.54
7.0.160.0090.00915.57
7.0.150.0000.01615.38
7.0.140.0030.00915.14
7.0.130.0000.01315.37
7.0.120.0080.00415.42
7.0.110.0030.00615.54
7.0.100.0060.00915.36
7.0.90.0000.01115.47
7.0.80.0110.00315.59
7.0.70.0030.01215.52
7.0.60.0120.04318.54
7.0.50.0090.04416.75
7.0.40.0050.05016.94
7.0.30.0190.03916.70
7.0.20.0170.03716.90
7.0.10.0090.03816.80
7.0.00.0030.03016.71
5.6.400.0080.00314.46
5.6.390.0040.00414.36
5.6.380.0080.00414.12
5.6.370.0120.00414.57
5.6.360.0030.00914.17
5.6.350.0040.01114.15
5.6.340.0090.00914.45
5.6.330.0030.00914.02
5.6.320.0000.01114.36
5.6.310.0060.00614.29
5.6.300.0060.01214.53
5.6.290.0060.00614.38
5.6.280.0030.03717.68
5.6.270.0040.00414.15
5.6.260.0030.00714.27
5.6.250.0030.01014.37
5.6.240.0000.01114.51
5.6.230.0090.00314.59
5.6.220.0060.00914.68
5.6.210.0070.04717.49
5.6.200.0050.04616.21
5.6.190.0070.03817.50
5.6.180.0140.02917.44
5.6.170.0260.03717.36
5.6.160.0020.02517.37
5.6.150.0070.03716.20
5.6.140.0070.02216.17
5.6.130.0020.03016.25
5.6.120.0100.02317.63
5.6.110.0070.04717.56
5.6.100.0080.04317.73
5.6.90.0030.05017.67
5.6.80.0030.04917.36
5.6.70.0000.01414.36
5.6.60.0060.00614.26
5.6.50.0000.01414.50
5.6.40.0000.01114.25
5.6.30.0030.00614.31
5.6.20.0030.01014.47
5.6.10.0140.00014.25
5.6.00.0030.01214.17
5.5.380.0000.01414.52
5.5.370.0090.00613.96
5.5.360.0030.00814.52
5.5.350.0130.01817.21
5.5.340.0080.04116.16
5.5.330.0110.02317.39
5.5.320.0270.03517.24
5.5.310.0200.03317.18
5.5.300.0090.01816.01
5.5.290.0060.04616.21
5.5.280.0050.02517.53
5.5.270.0100.01917.45
5.5.260.0100.03517.76
5.5.250.0070.02317.16
5.5.240.0050.03017.13
5.5.230.0070.00713.85
5.5.220.0000.01113.95
5.5.210.0090.00613.83
5.5.200.0040.00814.16
5.5.190.0080.00814.09
5.5.180.0060.00914.46
5.5.170.0090.00613.91
5.5.160.0060.00614.39
5.5.150.0110.00013.82
5.5.140.0000.01214.25
5.5.130.0060.00614.28
5.5.120.0110.00014.07
5.5.110.0030.00914.04
5.5.100.0090.00613.99
5.5.90.0030.01514.32
5.5.80.0100.00314.40
5.5.70.0030.00613.74
5.5.60.0110.00413.99
5.5.50.0030.00714.16
5.5.40.0030.00714.23
5.5.30.0000.01414.35
5.5.20.0030.00914.32
5.5.10.0000.01013.99
5.5.00.0000.00914.58

preferences:
71.95 ms | 400 KiB | 5 Q