3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "123"; $data = ["foo" => "bar"]; $key = "foo"; echo $obj->{ $data[$key] },"\n"; echo $obj->{ ${'data'}[$key] },"\n"; echo "{$obj->{ $data[$key] }}\n"; echo $obj->{ $data[$key]},"\n"; echo "{$obj->{ ${'data'}[$key] }}\n"; echo $obj->{ ${'data'}[$key] },"\n"; echo "{${'obj'}->{ ${'data'}[$key] }}\n"; echo ${'obj'}->{ ${'data'}[$key] },"\n"; echo $obj->${'data'}[$key]=456;

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)
8.3.60.0140.00716.63
8.3.50.0120.00721.15
8.3.40.0120.00318.69
8.3.30.0030.01018.81
8.3.20.0000.00720.25
8.3.10.0050.00323.66
8.3.00.0070.01423.56
8.2.180.0110.00718.29
8.2.170.0130.00322.96
8.2.160.0040.01119.19
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00019.83
8.2.120.0080.00026.35
8.2.110.0030.00719.52
8.2.100.0060.00618.16
8.2.90.0040.00419.09
8.2.80.0030.00518.00
8.2.70.0000.00917.38
8.2.60.0000.00817.90
8.2.50.0030.00518.07
8.2.40.0100.00320.12
8.2.30.0040.00419.50
8.2.20.0000.00817.75
8.2.10.0090.00018.07
8.2.00.0050.00318.04
8.1.280.0140.00025.92
8.1.270.0040.00423.84
8.1.260.0000.00728.09
8.1.250.0030.00628.09
8.1.240.0040.00423.84
8.1.230.0040.00719.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0080.00017.22
8.1.180.0030.00618.10
8.1.170.0040.00418.39
8.1.160.0000.00820.66
8.1.150.0000.00718.87
8.1.140.0080.00019.56
8.1.130.0070.00017.73
8.1.120.0000.00717.49
8.1.110.0000.00817.41
8.1.100.0030.00517.54
8.1.90.0040.00417.46
8.1.80.0040.00417.46
8.1.70.0030.00317.38
8.1.60.0050.00217.59
8.1.50.0030.00517.54
8.1.40.0000.00817.44
8.1.30.0040.00417.67
8.1.20.0000.00817.52
8.1.10.0000.00817.54
8.1.00.0030.00517.42
8.0.300.0030.00618.77
8.0.290.0080.00016.88
8.0.280.0000.00718.34
8.0.270.0030.00317.21
8.0.260.0000.00617.23
8.0.250.0050.00216.98
8.0.240.0030.00317.03
8.0.230.0000.00717.02
8.0.220.0000.00716.96
8.0.210.0000.00716.91
8.0.200.0000.00916.92
8.0.190.0060.00317.05
8.0.180.0040.00417.04
8.0.170.0000.00816.90
8.0.160.0030.00517.05
8.0.150.0040.00416.88
8.0.140.0110.00016.95
8.0.130.0030.00313.43
8.0.120.0040.00416.91
8.0.110.0080.00016.88
8.0.100.0040.00416.91
8.0.90.0040.00416.82
8.0.80.0040.01416.95
8.0.70.0050.00317.08
8.0.60.0050.00217.03
8.0.50.0000.01016.79
8.0.30.0090.00817.16
8.0.20.0080.01217.40
8.0.10.0000.00717.13
8.0.00.0100.00816.87
7.4.330.0030.00316.82
7.4.320.0030.00316.54
7.4.300.0000.00816.41
7.4.290.0030.00316.52
7.4.280.0100.00016.51
7.4.270.0030.00316.52
7.4.260.0000.00716.58
7.4.250.0000.00816.47
7.4.240.0060.00216.54
7.4.230.0040.00416.46
7.4.220.0080.01416.50
7.4.210.0120.00316.41
7.4.200.0000.00716.63
7.4.160.0060.00916.54
7.4.150.0080.01217.40
7.4.140.0110.01017.86
7.4.130.0100.00716.56
7.4.120.0160.00516.60
7.4.110.0090.00916.65
7.4.100.0170.00616.61
7.4.90.0120.00416.44
7.4.80.0150.00919.39
7.4.70.0080.00816.55
7.4.60.0120.00616.52
7.4.50.0000.01516.39
7.4.40.0140.00416.43
7.4.30.0030.01616.35
7.4.10.0030.01616.32
7.4.00.0070.01015.82
7.3.330.0000.00513.31
7.3.320.0050.00213.26
7.3.310.0040.00416.42
7.3.300.0070.00016.39
7.3.290.0090.00716.36
7.3.280.0090.00716.35
7.3.270.0140.00317.40
7.3.260.0120.01216.55
7.3.250.0090.01116.47
7.3.240.0120.00716.48
7.3.230.0090.00916.57
7.3.210.0050.01116.43
7.3.200.0100.00619.39
7.3.190.0090.01216.42
7.3.180.0100.00716.26
7.3.170.0060.01116.54
7.3.160.0110.00616.47
7.3.130.0100.01016.40
7.3.120.0030.01616.29
7.3.110.0080.00416.37
7.3.100.0150.00016.29
7.3.90.0090.00616.34
7.3.80.0030.01216.33
7.3.70.0100.00616.42
7.3.60.0060.00316.41
7.3.50.0070.01016.29
7.3.40.0030.01016.08
7.3.30.0050.00516.51
7.3.20.0060.01018.09
7.3.10.0050.00817.52
7.3.00.0080.00217.33
7.2.330.0160.00916.64
7.2.320.0140.00716.58
7.2.310.0030.01316.70
7.2.300.0000.01716.48
7.2.290.0060.01216.66
7.2.260.0100.00716.77
7.2.250.0070.01316.73
7.2.240.0060.01016.79
7.2.230.0060.00616.31
7.2.220.0090.00616.58
7.2.210.0100.00316.46
7.2.200.0120.00316.52
7.2.190.0030.01316.48
7.2.180.0030.01316.36
7.2.170.0000.01516.71
7.2.160.0060.00616.37
7.2.150.0030.01318.34
7.2.140.0030.01318.27
7.2.130.0110.00417.71
7.2.120.0040.01017.69
7.2.110.0080.00717.64
7.2.100.0050.01117.48
7.2.90.0040.01217.83
7.2.80.0050.00817.56
7.2.70.0030.00817.65
7.2.60.0070.00717.39
7.2.50.0050.01017.71
7.2.40.0030.00817.53
7.2.30.0040.00917.67
7.2.20.0020.00917.56
7.2.10.0040.00917.50
7.2.00.0040.00818.20
7.1.330.0030.01017.36
7.1.320.0030.00617.37
7.1.310.0030.01017.29
7.1.300.0060.00617.06
7.1.290.0040.00817.38
7.1.280.0000.01217.36
7.1.270.0050.00517.47
7.1.260.0120.00317.42
7.1.250.0090.00416.62
7.1.240.0040.01117.27
7.1.230.0040.00717.18
7.1.220.0000.01217.22
7.1.210.0100.00717.20
7.1.200.0050.00916.59
7.1.190.0000.01117.31
7.1.180.0110.00417.23
7.1.170.0070.00317.34
7.1.160.0090.00317.33
7.1.150.0060.00917.29
7.1.140.0070.00717.39
7.1.130.0080.00417.35
7.1.120.0130.00017.34
7.1.110.0040.00817.33
7.1.100.0000.01117.77
7.1.90.0070.01017.42
7.1.80.0030.01017.26
7.1.70.0040.00717.21
7.1.60.0050.01218.29
7.1.50.0080.00917.08
7.1.40.0130.00617.00
7.1.30.0030.01317.09
7.1.20.0030.01017.18
7.1.10.0070.00717.03
7.1.00.0050.04219.86
7.0.330.0040.00716.76
7.0.320.0030.01017.09
7.0.310.0070.00717.05
7.0.300.0000.01516.93
7.0.290.0030.01016.90
7.0.280.0090.00616.95
7.0.270.0030.00616.93
7.0.260.0070.00416.87
7.0.250.0040.01116.86
7.0.240.0030.01016.97
7.0.230.0040.00417.06
7.0.220.0030.01016.86
7.0.210.0090.00616.97
7.0.200.0040.00716.99
7.0.190.0130.00616.73
7.0.180.0060.00316.80
7.0.170.0030.01416.81
7.0.160.0060.00616.92
7.0.150.0060.00316.86
7.0.140.0110.00016.86
7.0.130.0030.01017.12
7.0.120.0070.00716.95
7.0.110.0000.01417.01
7.0.100.0040.01116.96
7.0.90.0110.00016.90
7.0.80.0030.01216.98
7.0.70.0060.01016.90
7.0.60.0180.03718.41
7.0.50.0090.03517.46
7.0.40.0140.03217.62
7.0.30.0110.04617.44
7.0.20.0150.02517.59
7.0.10.0070.03517.42
7.0.00.0060.03617.63
5.6.400.0070.01015.84
5.6.390.0070.00715.95
5.6.380.0060.00915.84
5.6.370.0040.00715.73
5.6.360.0000.01515.95
5.6.350.0060.00315.86
5.6.340.0070.01015.79
5.6.330.0080.00415.77
5.6.320.0160.00015.84
5.6.310.0040.00715.65
5.6.300.0000.01315.67
5.6.290.0040.00915.94
5.6.280.0060.03818.54
5.6.270.0070.01016.01
5.6.260.0120.00415.68
5.6.250.0070.00715.90
5.6.240.0070.01315.91
5.6.230.0110.00016.07
5.6.220.0030.01216.08
5.6.210.0000.02818.33
5.6.200.0100.04217.14
5.6.190.0100.02318.05
5.6.180.0310.02618.07
5.6.170.0100.03518.04
5.6.160.0070.04618.12
5.6.150.0070.03216.90
5.6.140.0090.02017.04
5.6.130.0050.03617.10
5.6.120.0060.02518.65
5.6.110.0070.04618.50
5.6.100.0050.04418.45
5.6.90.0000.05018.51
5.6.80.0050.04718.14
5.6.70.0100.00315.73
5.6.60.0000.01415.64
5.6.50.0120.00315.70
5.6.40.0060.00915.68
5.6.30.0090.00315.70
5.6.20.0040.01115.78
5.6.10.0070.01315.64
5.6.00.0100.00315.72
5.5.380.0000.01815.69
5.5.370.0030.01415.61
5.5.360.0040.00816.09
5.5.350.0110.02918.06
5.5.340.0040.02416.84
5.5.330.0130.01818.02
5.5.320.0180.03018.12
5.5.310.0160.01818.08
5.5.300.0130.03617.03
5.5.290.0030.04616.88
5.5.280.0000.02718.18
5.5.270.0090.03718.35
5.5.260.0030.03518.27
5.5.250.0050.02518.21
5.5.240.0150.03717.91
5.5.230.0090.00615.75
5.5.220.0080.00415.65
5.5.210.0130.00315.69
5.5.200.0070.00315.67
5.5.190.0030.01115.87
5.5.180.0110.00415.71
5.5.170.0000.00915.93
5.5.160.0110.00315.86
5.5.150.0040.00815.78
5.5.140.0030.01115.56
5.5.130.0070.01015.95
5.5.120.0090.00315.58
5.5.110.0070.01015.98
5.5.100.0140.00315.25
5.5.90.0100.00715.40
5.5.80.0060.00615.83
5.5.70.0110.00315.91
5.5.60.0000.01215.77
5.5.50.0090.00315.53
5.5.40.0090.00015.52
5.5.30.0070.01015.75
5.5.20.0030.01015.52
5.5.10.0030.00915.72
5.5.00.0040.00815.72

preferences:
37.76 ms | 401 KiB | 5 Q