3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = new stdClass(); $row->a = null; $item = array('a' => 'b'); $row->$item['a']; echo $row->a;

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
8.3.50.0090.00921.95
8.3.40.0150.00018.96
8.3.30.0110.00418.87
8.3.20.0050.00220.34
8.3.10.0080.00020.48
8.3.00.0040.00423.48
8.2.180.0110.00318.29
8.2.170.0100.00322.96
8.2.160.0100.00322.03
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00420.93
8.2.120.0040.00426.35
8.2.110.0030.00622.25
8.2.100.0080.00418.03
8.2.90.0040.00419.21
8.2.80.0000.00817.97
8.2.70.0030.00517.60
8.2.60.0000.00817.92
8.2.50.0060.00318.09
8.2.40.0070.00020.39
8.2.30.0000.00719.56
8.2.20.0000.00717.76
8.2.10.0040.00418.08
8.2.00.0040.00418.16
8.1.280.0070.00725.92
8.1.270.0040.00422.09
8.1.260.0060.00328.09
8.1.250.0000.00828.09
8.1.240.0030.00723.80
8.1.230.0120.00017.52
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00418.96
8.1.180.0080.00018.10
8.1.170.0040.00718.61
8.1.160.0050.00220.75
8.1.150.0000.00820.59
8.1.140.0000.00819.48
8.1.130.0030.00317.67
8.1.120.0000.00717.46
8.1.110.0030.00317.34
8.1.100.0060.00317.47
8.1.90.0040.00417.34
8.1.80.0040.00417.49
8.1.70.0030.00317.41
8.1.60.0040.00417.61
8.1.50.0040.00417.54
8.1.40.0040.00417.51
8.1.30.0000.00817.49
8.1.20.0040.00417.36
8.1.10.0000.00717.54
8.1.00.0080.00017.49
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0070.00018.38
8.0.270.0000.00717.17
8.0.260.0030.00317.25
8.0.250.0030.00316.98
8.0.240.0030.00316.86
8.0.230.0000.00716.88
8.0.220.0080.00016.93
8.0.210.0070.00017.01
8.0.200.0060.00317.05
8.0.190.0050.00317.02
8.0.180.0040.00416.95
8.0.170.0040.00416.96
8.0.160.0030.00316.98
8.0.150.0030.00316.88
8.0.140.0040.00416.95
8.0.130.0000.00513.41
8.0.120.0050.00216.91
8.0.110.0040.00416.78
8.0.100.0000.00816.92
8.0.90.0000.00816.96
8.0.80.0070.01016.89
8.0.70.0000.00716.80
8.0.60.0040.00416.82
8.0.50.0000.00716.96
8.0.30.0050.01117.13
8.0.20.0140.00517.40
8.0.10.0050.00217.17
8.0.00.0080.01216.78
7.4.330.0000.00516.79
7.4.320.0060.00016.34
7.4.300.0030.00316.50
7.4.290.0090.00016.43
7.4.280.0040.00416.41
7.4.270.0080.00016.51
7.4.260.0040.00416.51
7.4.250.0000.00816.54
7.4.240.0000.00716.38
7.4.230.0030.00316.64
7.4.220.0030.01416.41
7.4.210.0030.01216.39
7.4.200.0030.00316.63
7.4.160.0070.01516.59
7.4.150.0100.00717.40
7.4.140.0130.00817.86
7.4.130.0100.00816.55
7.4.120.0070.01116.51
7.4.110.0030.01416.69
7.4.100.0090.00916.42
7.4.90.0110.00716.38
7.4.80.0140.00919.39
7.4.70.0110.00616.50
7.4.60.0130.00416.26
7.4.50.0060.00616.37
7.4.40.0070.01116.20
7.4.30.0070.01416.59
7.4.10.0060.01215.13
7.4.00.0080.00814.79
7.3.330.0020.00213.12
7.3.320.0030.00313.16
7.3.310.0030.00316.45
7.3.300.0040.00316.16
7.3.290.0030.01316.31
7.3.280.0050.01016.30
7.3.270.0120.00617.40
7.3.260.0080.00816.28
7.3.250.0160.00716.24
7.3.240.0100.00716.50
7.3.230.0090.00616.48
7.3.210.0130.00316.43
7.3.200.0130.00416.64
7.3.190.0080.00816.30
7.3.180.0140.00716.28
7.3.170.0070.01516.52
7.3.160.0030.01316.39
7.3.130.0100.01014.81
7.3.120.0000.01714.65
7.3.110.0130.00614.57
7.3.100.0030.00714.96
7.3.90.0080.00415.13
7.3.80.0030.01214.84
7.3.70.0030.01314.82
7.3.60.0130.00014.88
7.3.50.0060.00614.70
7.3.40.0080.00814.91
7.3.30.0080.00714.66
7.3.20.0060.00316.45
7.3.10.0060.00916.63
7.3.00.0050.00716.60
7.2.330.0030.01316.45
7.2.320.0060.01216.73
7.2.310.0030.01316.37
7.2.300.0150.00316.52
7.2.290.0090.00916.84
7.2.260.0070.01015.31
7.2.250.0070.01314.60
7.2.240.0030.01315.13
7.2.230.0040.01114.86
7.2.220.0000.01515.00
7.2.210.0050.01015.03
7.2.200.0100.00015.30
7.2.190.0040.00714.87
7.2.180.0060.00614.73
7.2.170.0040.01115.10
7.2.160.0110.00414.77
7.2.150.0130.00017.11
7.2.140.0150.00317.05
7.2.130.0030.01016.76
7.2.120.0090.00416.72
7.2.110.0040.00716.87
7.2.100.0030.01216.94
7.2.90.0050.00516.89
7.2.80.0070.00517.11
7.2.70.0060.00816.95
7.2.60.0100.00916.85
7.2.50.0020.01317.06
7.2.40.0020.00817.09
7.2.30.0050.01217.03
7.2.20.0000.01016.74
7.2.10.0100.00316.95
7.2.00.0070.00817.69
7.1.330.0000.01615.76
7.1.320.0040.00415.79
7.1.310.0060.00915.69
7.1.300.0070.00715.67
7.1.290.0080.00415.83
7.1.280.0030.01016.00
7.1.270.0030.00815.95
7.1.260.0130.00015.62
7.1.250.0090.00315.74
7.1.240.0040.00415.48
7.1.230.0040.00415.84
7.1.220.0090.00015.61
7.1.210.0060.00915.83
7.1.200.0030.00915.67
7.1.190.0070.00715.70
7.1.180.0030.00615.80
7.1.170.0030.01015.71
7.1.160.0030.01015.97
7.1.150.0090.00615.68
7.1.140.0090.00315.72
7.1.130.0030.01015.77
7.1.120.0100.00315.76
7.1.110.0030.00715.94
7.1.100.0050.00716.88
7.1.90.0000.01615.56
7.1.80.0090.00615.60
7.1.70.0040.00916.48
7.1.60.0100.00817.55
7.1.50.0090.00816.44
7.1.40.0000.01715.55
7.1.30.0120.00015.48
7.1.20.0030.01215.69
7.1.10.0060.00615.99
7.1.00.0050.04219.20
7.0.330.0030.00715.19
7.0.320.0060.00615.38
7.0.310.0040.00815.34
7.0.300.0030.01015.30
7.0.290.0100.00315.36
7.0.280.0070.00715.39
7.0.270.0000.01215.46
7.0.260.0060.00915.61
7.0.250.0030.01015.38
7.0.240.0030.01315.37
7.0.230.0030.01015.36
7.0.220.0030.01015.50
7.0.210.0100.00315.54
7.0.200.0280.00514.94
7.0.190.0080.00615.39
7.0.180.0030.00915.50
7.0.170.0070.00715.32
7.0.160.0090.00315.36
7.0.150.0040.00415.41
7.0.140.0040.00815.27
7.0.130.0040.00815.46
7.0.120.0090.00315.50
7.0.110.0030.00615.10
7.0.100.0070.00715.45
7.0.90.0060.00315.47
7.0.80.0070.00415.26
7.0.70.0060.00915.20
7.0.60.0120.04018.67
7.0.50.0150.03316.49
7.0.40.0110.03516.82
7.0.30.0180.02816.67
7.0.20.0120.02716.83
7.0.10.0060.04516.71
7.0.00.0130.03816.73
5.6.400.0030.00914.55
5.6.390.0060.00914.43
5.6.380.0100.00314.59
5.6.370.0000.01414.44
5.6.360.0040.00414.64
5.6.350.0040.01114.47
5.6.340.0030.01614.62
5.6.330.0090.00314.25
5.6.320.0040.00714.61
5.6.310.0110.00414.29
5.6.300.0090.00614.63
5.6.290.0040.01114.57
5.6.280.0020.02517.72
5.6.270.0060.00614.73
5.6.260.0060.01014.50
5.6.250.0100.00314.46
5.6.240.0090.00314.34
5.6.230.0070.00714.27
5.6.220.0070.01014.25
5.6.210.0030.02317.38
5.6.200.0050.04116.36
5.6.190.0090.03317.36
5.6.180.0210.03517.34
5.6.170.0170.02217.41
5.6.160.0030.03417.43
5.6.150.0100.03516.29
5.6.140.0050.04116.17
5.6.130.0060.02316.28
5.6.120.0060.02517.70
5.6.110.0080.04517.57
5.6.100.0050.03917.74
5.6.90.0090.02917.63
5.6.80.0030.04917.36
5.6.70.0000.01414.40
5.6.60.0030.00814.33
5.6.50.0040.01114.43
5.6.40.0030.01014.40
5.6.30.0000.01714.36
5.6.20.0060.00613.95
5.6.10.0070.00714.09
5.6.00.0000.01314.13
5.5.380.0130.00014.55
5.5.370.0000.00914.41
5.5.360.0070.00314.48
5.5.350.0220.03517.33
5.5.340.0080.04216.10
5.5.330.0050.03317.16
5.5.320.0180.03217.46
5.5.310.0150.03317.27
5.5.300.0090.04416.17
5.5.290.0050.04616.15
5.5.280.0050.02317.57
5.5.270.0070.03817.62
5.5.260.0110.04217.41
5.5.250.0080.04117.33
5.5.240.0070.03917.15
5.5.230.0060.00914.03
5.5.220.0070.00714.21
5.5.210.0080.00414.52
5.5.200.0030.01314.04
5.5.190.0100.00714.28
5.5.180.0040.00914.32
5.5.170.0030.01014.52
5.5.160.0030.00614.04
5.5.150.0080.00614.44
5.5.140.0070.00714.33
5.5.130.0060.00913.97
5.5.120.0120.00414.43
5.5.110.0070.00714.51
5.5.100.0040.00814.12
5.5.90.0040.00714.39
5.5.80.0030.00814.48
5.5.70.0040.01114.36
5.5.60.0110.00614.10
5.5.50.0030.01214.08
5.5.40.0030.00614.42
5.5.30.0060.00914.20
5.5.20.0000.01414.13
5.5.10.0070.00414.13
5.5.00.0030.00814.30

preferences:
29.77 ms | 401 KiB | 5 Q