3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "xyz"; $data = array("foo" => "bar"); $key = "foo"; // echo $obj->${data[$key]}; syntax error echo $obj->{$data[$key]}; $member = $data[$key]; echo $obj->${member}; echo $obj->{$member}; echo ${data[$key]}; echo "${data[$key]}"; // of course, this works echo "\n{${'data'}[$key]}\n"; echo "{$data[$key]}";

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)
8.3.70.0190.00316.61
8.3.60.0150.00318.68
8.3.50.0140.00921.27
8.3.40.0070.00718.76
8.3.30.0100.00318.83
8.3.20.0040.00420.33
8.3.10.0050.00321.90
8.3.00.0080.00023.59
8.2.180.0110.00716.75
8.2.170.0150.00022.96
8.2.160.0100.01020.44
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00819.89
8.2.120.0080.00026.35
8.2.110.0000.00919.36
8.2.100.0040.00818.03
8.2.90.0000.00919.27
8.2.80.0090.00017.97
8.2.70.0050.00317.75
8.2.60.0000.00817.80
8.2.50.0070.00318.07
8.2.40.0040.00422.02
8.2.30.0040.00419.46
8.2.20.0040.00417.93
8.2.10.0000.00818.20
8.2.00.0070.00018.11
8.1.280.0100.01425.92
8.1.270.0070.00723.97
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0050.00521.41
8.1.230.0080.00317.45
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0030.00518.51
8.1.160.0040.00420.79
8.1.150.0070.00018.96
8.1.140.0040.00419.59
8.1.130.0060.00317.70
8.1.120.0000.00717.54
8.1.110.0070.00017.38
8.1.100.0000.00817.54
8.1.90.0030.00317.44
8.1.80.0020.00517.48
8.1.70.0030.00317.37
8.1.60.0040.00417.63
8.1.50.0070.00317.54
8.1.40.0040.00417.55
8.1.30.0060.00317.55
8.1.20.0060.00317.59
8.1.10.0000.00717.64
8.1.00.0030.00517.54
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0000.00718.48
8.0.270.0030.00317.23
8.0.260.0040.00417.16
8.0.250.0000.00617.02
8.0.240.0000.00917.02
8.0.230.0000.00716.90
8.0.220.0050.00316.84
8.0.210.0040.00416.93
8.0.200.0030.00316.93
8.0.190.0040.00416.91
8.0.180.0000.00916.91
8.0.170.0070.00017.02
8.0.160.0040.00417.02
8.0.150.0000.00716.95
8.0.140.0040.00416.93
8.0.130.0040.00413.43
8.0.120.0040.00416.91
8.0.110.0030.00616.81
8.0.100.0070.00016.99
8.0.90.0000.00816.86
8.0.80.0060.01017.01
8.0.70.0040.00417.03
8.0.60.0080.00016.98
8.0.50.0040.00416.84
8.0.30.0150.00416.99
8.0.20.0100.01117.40
8.0.10.0050.00317.08
8.0.00.0140.00416.73
7.4.330.0020.00216.67
7.4.320.0060.00016.53
7.4.300.0030.00316.53
7.4.290.0030.00616.50
7.4.280.0030.00616.63
7.4.270.0040.00316.53
7.4.260.0070.00016.59
7.4.250.0090.00016.47
7.4.240.0020.00516.59
7.4.230.0000.00716.32
7.4.220.0090.00616.59
7.4.210.0150.00616.60
7.4.200.0030.00516.62
7.4.160.0100.00716.52
7.4.150.0110.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00916.56
7.4.120.0050.01116.63
7.4.110.0110.00616.49
7.4.100.0180.00416.68
7.4.90.0090.00916.73
7.4.80.0080.00819.39
7.4.70.0100.00716.45
7.4.60.0120.00616.51
7.4.50.0070.00716.59
7.4.40.0150.00316.56
7.4.30.0140.01116.24
7.4.00.0020.01715.00
7.3.330.0000.00513.20
7.3.320.0030.00313.24
7.3.310.0070.00016.38
7.3.300.0070.00016.34
7.3.290.0040.01416.36
7.3.280.0090.00616.31
7.3.270.0150.00317.40
7.3.260.0080.00816.51
7.3.250.0060.01216.39
7.3.240.0070.01116.43
7.3.230.0140.00316.39
7.3.210.0090.00916.31
7.3.200.0090.00919.39
7.3.190.0090.00916.59
7.3.180.0060.01016.25
7.3.170.0030.01316.49
7.3.160.0160.00016.33
7.3.120.0000.01814.83
7.3.110.0100.00714.84
7.3.100.0150.00414.67
7.3.90.0040.01214.80
7.3.80.0000.00914.82
7.3.70.0060.00614.91
7.3.60.0060.00314.70
7.3.50.0040.00815.02
7.3.40.0040.00414.54
7.3.30.0100.00314.70
7.3.20.0070.01116.44
7.3.10.0100.01016.38
7.3.00.0100.00416.45
7.2.330.0090.00916.67
7.2.320.0040.01616.72
7.2.310.0120.00916.48
7.2.300.0110.00716.70
7.2.290.0030.01316.70
7.2.250.0080.00514.95
7.2.240.0100.00715.17
7.2.230.0130.00315.02
7.2.220.0000.01115.32
7.2.210.0110.00715.07
7.2.200.0060.00615.03
7.2.190.0070.01115.10
7.2.180.0000.01515.21
7.2.170.0040.01114.91
7.2.160.0090.00914.79
7.2.150.0060.01016.86
7.2.140.0030.00717.13
7.2.130.0130.00216.64
7.2.120.0070.00616.66
7.2.110.0080.00816.84
7.2.100.0070.00916.70
7.2.90.0070.01216.89
7.2.80.0080.00816.88
7.2.70.0080.00816.88
7.2.60.0060.01116.89
7.2.50.0080.01116.88
7.2.40.0040.01116.78
7.2.30.0130.00516.69
7.2.20.0110.00716.47
7.2.10.0030.01016.82
7.2.00.0090.00517.76
7.1.330.0090.00915.51
7.1.320.0110.00015.64
7.1.310.0030.00615.56
7.1.300.0000.01115.89
7.1.290.0030.00915.75
7.1.280.0040.00715.56
7.1.270.0070.01015.76
7.1.260.0030.00915.71
7.1.250.0050.01215.65
7.1.240.0030.01015.78
7.1.230.0040.00716.01
7.1.220.0090.00615.79
7.1.210.0090.00615.54
7.1.200.0060.00815.62
7.1.190.0060.00415.83
7.1.180.0070.00315.76
7.1.170.0070.00715.78
7.1.160.0070.00715.91
7.1.150.0030.00515.94
7.1.140.0110.00415.58
7.1.130.0030.01015.50
7.1.120.0060.00615.71
7.1.110.0030.01015.91
7.1.100.0020.01216.81
7.1.90.0070.01016.01
7.1.80.0120.00415.64
7.1.70.0050.01016.56
7.1.60.0070.01017.56
7.1.50.0090.00716.29
7.1.40.0030.01015.91
7.1.30.0000.01215.78
7.1.20.0000.01515.71
7.1.10.0090.00615.72
7.1.00.0030.05119.24
7.0.330.0080.00415.37
7.0.320.0090.00615.41
7.0.310.0110.00415.30
7.0.300.0070.01015.17
7.0.290.0030.01015.37
7.0.280.0110.00315.33
7.0.270.0000.00815.11
7.0.260.0030.00615.03
7.0.250.0080.00615.38
7.0.240.0040.00715.35
7.0.230.0030.00515.50
7.0.220.0040.00815.38
7.0.210.0060.00615.49
7.0.200.0040.00416.06
7.0.190.0090.00315.29
7.0.180.0070.00315.46
7.0.170.0030.00715.49
7.0.160.0030.00915.50
7.0.150.0030.00915.18
7.0.140.0060.00915.40
7.0.130.0040.00715.44
7.0.120.0030.01015.38
7.0.110.0040.01115.13
7.0.100.0120.00015.50
7.0.90.0040.00815.05
7.0.80.0040.00415.43
7.0.70.0070.00315.39
7.0.60.0130.03818.58
7.0.50.0100.03716.70
7.0.40.0080.02916.66
7.0.30.0140.03116.85
7.0.20.0200.04516.82
7.0.10.0150.02516.65
7.0.00.0070.04616.68
5.6.400.0040.00714.70
5.6.390.0060.00914.48
5.6.380.0040.00414.34
5.6.370.0070.00714.50
5.6.360.0060.00614.36
5.6.350.0000.01214.43
5.6.340.0040.01114.48
5.6.330.0030.00614.23
5.6.320.0030.01014.39
5.6.310.0100.00914.36
5.6.300.0060.00914.40
5.6.290.0070.01014.39
5.6.280.0030.01014.48
5.6.270.0070.00714.27
5.6.260.0030.01414.36
5.6.250.0040.00814.36
5.6.240.0040.01114.30
5.6.230.0030.01314.43
5.6.220.0030.01014.56
5.6.210.0060.03817.48
5.6.200.0030.02516.35
5.6.190.0060.04317.45
5.6.180.0200.02417.63
5.6.170.0180.04117.26
5.6.160.0120.04217.34
5.6.150.0050.03316.21
5.6.140.0060.04616.23
5.6.130.0050.02716.32
5.6.120.0100.04217.71
5.6.110.0100.03917.56
5.6.100.0060.02517.62
5.6.90.0070.04017.55
5.6.80.0060.04417.47
5.6.70.0060.01214.27
5.6.60.0040.00814.14
5.6.50.0040.01114.17
5.6.40.0060.00313.99
5.6.30.0040.01214.26
5.6.20.0060.00814.32
5.6.10.0060.00614.34
5.6.00.0030.00714.41
5.5.380.0030.00913.57
5.5.370.0060.01013.99
5.5.360.0000.00814.20
5.5.350.0080.04417.23
5.5.340.0050.03216.14
5.5.330.0080.03017.19
5.5.320.0120.04617.12
5.5.310.0120.02317.17
5.5.300.0120.03016.04
5.5.290.0050.02515.96
5.5.280.0050.02717.50
5.5.270.0030.02317.43
5.5.260.0040.04717.47
5.5.250.0110.03517.27
5.5.240.0080.02816.77
5.5.230.0000.01513.77
5.5.220.0030.00613.98
5.5.210.0060.00913.97
5.5.200.0030.01014.10
5.5.190.0080.00613.97
5.5.180.0030.01213.93
5.5.170.0030.00913.70
5.5.160.0040.00713.93
5.5.150.0110.00313.84
5.5.140.0090.00614.30
5.5.130.0030.01013.99
5.5.120.0070.00313.67
5.5.110.0000.00813.81
5.5.100.0040.00913.83
5.5.90.0000.01413.98
5.5.80.0030.01014.03
5.5.70.0000.00913.84
5.5.60.0050.00514.18
5.5.50.0000.01513.99
5.5.40.0000.00913.67
5.5.30.0030.01014.06
5.5.20.0040.00714.09
5.5.10.0030.01013.43
5.5.00.0030.01013.95

preferences:
80.3 ms | 401 KiB | 5 Q