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 "${data[$key]}"; echo "{$data[$key]}"; class A { static function hello(){ echo "Hello World\n"; } } $y[0] = 'hello'; A::${y[0]}();

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)
8.3.60.0070.01416.59
8.3.50.0140.00821.15
8.3.40.0110.00718.85
8.3.30.0140.00018.77
8.3.20.0080.00020.33
8.3.10.0100.00723.64
8.3.00.0040.00423.61
8.2.180.0130.01018.79
8.2.170.0090.00622.96
8.2.160.0030.01020.41
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00019.95
8.2.120.0040.00426.35
8.2.110.0030.00719.25
8.2.100.0090.00318.03
8.2.90.0030.00619.35
8.2.80.0030.00617.97
8.2.70.0040.00817.75
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00922.32
8.2.30.0040.00419.40
8.2.20.0090.00017.80
8.2.10.0080.00318.18
8.2.00.0040.00418.07
8.1.280.0040.01125.92
8.1.270.0090.00623.96
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00321.34
8.1.230.0070.00417.52
8.1.220.0000.00817.78
8.1.210.0050.00318.77
8.1.200.0030.00617.47
8.1.190.0090.00019.01
8.1.180.0000.00718.10
8.1.170.0030.00518.55
8.1.160.0030.00520.76
8.1.150.0050.00318.82
8.1.140.0000.00819.50
8.1.130.0080.00017.57
8.1.120.0050.00217.44
8.1.110.0040.00417.36
8.1.100.0040.00417.42
8.1.90.0050.00317.38
8.1.80.0050.00317.46
8.1.70.0030.00317.41
8.1.60.0060.00317.54
8.1.50.0000.00817.41
8.1.40.0000.00817.49
8.1.30.0030.00517.69
8.1.20.0040.00417.58
8.1.10.0000.00717.48
8.1.00.0030.00517.55
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.29
8.0.270.0030.00317.15
8.0.260.0060.00017.25
8.0.250.0000.00717.04
8.0.240.0080.00016.93
8.0.230.0070.00316.96
8.0.220.0000.00716.93
8.0.210.0050.00216.94
8.0.200.0030.00617.00
8.0.190.0060.00317.03
8.0.180.0030.00317.03
8.0.170.0040.00417.02
8.0.160.0070.00016.84
8.0.150.0030.00516.98
8.0.140.0040.00416.78
8.0.130.0040.00413.34
8.0.120.0000.00916.92
8.0.110.0080.00016.85
8.0.100.0040.00416.99
8.0.90.0070.00016.97
8.0.80.0090.00616.88
8.0.70.0040.00416.88
8.0.60.0000.00717.02
8.0.50.0000.00816.91
8.0.30.0130.00617.27
8.0.20.0150.00317.40
8.0.10.0070.00017.06
8.0.00.0100.00816.62
7.4.330.0000.00616.66
7.4.320.0030.00316.59
7.4.300.0080.00016.52
7.4.290.0100.00016.37
7.4.280.0050.00516.64
7.4.270.0000.00816.50
7.4.260.0060.00016.57
7.4.250.0040.00416.46
7.4.240.0000.00716.57
7.4.230.0070.00016.53
7.4.220.0110.00816.68
7.4.210.0030.01116.70
7.4.200.0070.00016.40
7.4.160.0120.00316.35
7.4.150.0130.00717.40
7.4.140.0130.00617.86
7.4.130.0120.00616.62
7.4.120.0130.00816.46
7.4.110.0140.00316.64
7.4.100.0090.01316.66
7.4.90.0100.01316.60
7.4.80.0060.01119.39
7.4.70.0070.01016.54
7.4.60.0060.00916.68
7.4.50.0030.01016.46
7.4.40.0080.00816.57
7.4.30.0060.01216.28
7.4.10.0060.01214.96
7.4.00.0110.00714.96
7.3.330.0060.00013.14
7.3.320.0000.00913.18
7.3.310.0020.00516.25
7.3.300.0000.00616.36
7.3.290.0050.00916.36
7.3.280.0080.01016.35
7.3.270.0120.00617.40
7.3.260.0080.01116.32
7.3.250.0120.00516.45
7.3.240.0100.01016.33
7.3.230.0030.01316.50
7.3.210.0130.00316.35
7.3.200.0090.00919.39
7.3.190.0120.00616.50
7.3.180.0060.01616.38
7.3.170.0060.01016.42
7.3.160.0160.00316.48
7.3.130.0110.00714.83
7.3.120.0070.01014.97
7.3.110.0070.01014.88
7.3.100.0030.01214.56
7.3.90.0070.01014.91
7.3.80.0050.00514.80
7.3.70.0030.01314.82
7.3.60.0040.00714.85
7.3.50.0090.00614.90
7.3.40.0060.00914.59
7.3.30.0000.01514.71
7.3.20.0060.00616.39
7.3.10.0050.00816.45
7.3.00.0050.00816.47
7.2.330.0150.00416.45
7.2.320.0000.01816.75
7.2.310.0130.00316.75
7.2.300.0130.00816.84
7.2.290.0090.01316.45
7.2.260.0100.00715.13
7.2.250.0070.01314.89
7.2.240.0070.00715.00
7.2.230.0060.00915.24
7.2.220.0110.00715.32
7.2.210.0110.00315.03
7.2.200.0050.00514.77
7.2.190.0040.01415.00
7.2.180.0120.00315.11
7.2.170.0080.00414.95
7.2.160.0040.01115.23
7.2.150.0030.00617.01
7.2.140.0090.00616.80
7.2.130.0060.01116.73
7.2.120.0010.00916.69
7.2.110.0070.00816.94
7.2.100.0100.00216.79
7.2.90.0050.00917.03
7.2.80.0100.00516.76
7.2.70.0050.01016.74
7.2.60.0050.00916.87
7.2.50.0020.01216.76
7.2.40.0050.00816.89
7.2.30.0020.00916.80
7.2.20.0050.01116.72
7.2.10.0100.00716.76
7.2.00.0070.01016.71
7.1.330.0030.00715.75
7.1.320.0030.00615.57
7.1.310.0040.00415.77
7.1.300.0060.00615.63
7.1.290.0100.00316.00
7.1.280.0070.00415.73
7.1.270.0000.01215.71
7.1.260.0090.00015.57
7.1.250.0010.01015.74
7.1.240.0030.01016.02
7.1.230.0000.00815.91
7.1.220.0040.00715.82
7.1.210.0000.01215.68
7.1.200.0060.00715.79
7.1.190.0040.00815.89
7.1.180.0130.00015.66
7.1.170.0100.00315.80
7.1.160.0100.00315.69
7.1.150.0040.00815.95
7.1.140.0080.00615.72
7.1.130.0030.00515.68
7.1.120.0060.00915.86
7.1.110.0030.01415.98
7.1.100.0000.01015.89
7.1.90.0000.01415.92
7.1.80.0070.00715.52
7.1.70.0030.00716.59
7.1.60.0110.01117.63
7.1.50.0090.00516.23
7.1.40.0110.00416.01
7.1.30.0000.01115.53
7.1.20.0080.00615.89
7.1.10.0000.01415.90
7.1.00.0080.03719.09
7.0.330.0030.01015.43
7.0.320.0070.00715.50
7.0.310.0130.00015.37
7.0.300.0030.00615.23
7.0.290.0100.00315.40
7.0.280.0040.00815.66
7.0.270.0030.01015.45
7.0.260.0070.00715.18
7.0.250.0040.01115.50
7.0.240.0030.00615.47
7.0.230.0110.00415.26
7.0.220.0030.01015.48
7.0.210.0030.01015.43
7.0.200.0020.01116.19
7.0.190.0040.01515.22
7.0.180.0030.01015.33
7.0.170.0040.00815.48
7.0.160.0070.00715.21
7.0.150.0080.00415.45
7.0.140.0030.00615.50
7.0.130.0060.00615.14
7.0.120.0070.01015.35
7.0.110.0070.00715.30
7.0.100.0040.00715.48
7.0.90.0030.01015.24
7.0.80.0000.01415.51
7.0.70.0040.00715.53
7.0.60.0120.04218.61
7.0.50.0080.04316.76
7.0.40.0050.02816.80
7.0.30.0160.02516.87
7.0.20.0120.03017.05
7.0.10.0030.02616.88
7.0.00.0060.03116.84
5.6.400.0000.01314.44
5.6.390.0030.00914.46
5.6.380.0080.00514.63
5.6.370.0040.00414.73
5.6.360.0090.00614.68
5.6.350.0040.01114.36
5.6.340.0030.01014.37
5.6.330.0030.00714.43
5.6.320.0030.01314.31
5.6.310.0000.01114.43
5.6.300.0030.00614.63
5.6.290.0060.00314.59
5.6.280.0000.02517.75
5.6.270.0090.00614.63
5.6.260.0090.00314.44
5.6.250.0030.00914.44
5.6.240.0060.00614.36
5.6.230.0070.00714.50
5.6.220.0100.00414.46
5.6.210.0050.03417.61
5.6.200.0080.02016.42
5.6.190.0130.02717.41
5.6.180.0180.03517.49
5.6.170.0210.03717.53
5.6.160.0070.03217.58
5.6.150.0050.02416.53
5.6.140.0070.03516.30
5.6.130.0080.02016.38
5.6.120.0070.04117.71
5.6.110.0050.02517.59
5.6.100.0050.03717.66
5.6.90.0070.03817.87
5.6.80.0030.03817.38
5.6.70.0040.00814.19
5.6.60.0000.01314.58
5.6.50.0150.00014.56
5.6.40.0070.00714.46
5.6.30.0100.00514.31
5.6.20.0060.00614.24
5.6.10.0030.00914.59
5.6.00.0060.00314.39
5.5.380.0030.00713.83
5.5.370.0070.00714.10
5.5.360.0030.00614.05
5.5.350.0110.02317.16
5.5.340.0010.04316.03
5.5.330.0130.02317.09
5.5.320.0200.04417.21
5.5.310.0050.02817.14
5.5.300.0060.02615.97
5.5.290.0050.02816.10
5.5.280.0040.02917.34
5.5.270.0080.02917.44
5.5.260.0070.04717.62
5.5.250.0110.04017.45
5.5.240.0090.04416.95
5.5.230.0100.00314.01
5.5.220.0060.01014.02
5.5.210.0120.00613.94
5.5.200.0080.00814.32
5.5.190.0040.00414.14
5.5.180.0000.01114.13
5.5.170.0000.00913.87
5.5.160.0100.00313.99
5.5.150.0000.01313.79
5.5.140.0080.00014.10
5.5.130.0000.00914.11
5.5.120.0030.00813.64
5.5.110.0040.01114.15
5.5.100.0040.00413.92
5.5.90.0100.00713.82
5.5.80.0100.00314.38
5.5.70.0070.01013.78
5.5.60.0060.00914.29
5.5.50.0070.00714.17
5.5.40.0000.00813.79
5.5.30.0070.00314.11
5.5.20.0040.00413.84
5.5.10.0120.00013.95
5.5.00.0000.01413.69

preferences:
34.47 ms | 401 KiB | 5 Q