3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = new stdClass; $data->{"12"} = 37; $data = (array) $data; var_dump( $data ); echo $data[12]; echo $data['12']; $i = array_key_exists(12, $data); $s = array_key_exists('12', $data); var_dump($i, $s); foreach ($data as $key => $value) { echo $key; echo gettype($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)
8.4.130.0130.00717.72
8.4.120.0130.00722.41
8.4.110.0130.00622.52
8.4.100.0060.00618.72
8.4.90.0140.00618.80
8.4.80.0080.00619.37
8.4.70.0080.01018.00
8.4.60.0130.00818.84
8.4.50.0070.00219.68
8.4.40.0110.01117.78
8.4.30.0130.00619.35
8.4.20.0070.01120.57
8.4.10.0090.00019.59
8.3.260.0060.00516.59
8.3.250.0140.00719.00
8.3.240.0120.00716.67
8.3.230.0120.00716.42
8.3.220.0050.00419.04
8.3.210.0070.00316.76
8.3.200.0040.00516.53
8.3.190.0130.00517.42
8.3.180.0110.00416.92
8.3.170.0060.00318.94
8.3.160.0100.01018.52
8.3.150.0180.00020.61
8.3.140.0090.01316.70
8.3.130.0090.00018.20
8.3.120.0060.00320.61
8.3.110.0000.00920.94
8.3.100.0000.00816.49
8.3.90.0110.00726.77
8.3.80.0090.00018.28
8.3.70.0040.01118.30
8.3.60.0180.00418.43
8.3.50.0090.01017.29
8.3.40.0070.01118.70
8.3.30.0160.00018.57
8.3.20.0030.00618.74
8.3.10.0080.00023.65
8.3.00.0040.00421.88
8.2.290.0140.00520.69
8.2.280.0100.00918.53
8.2.270.0070.01017.23
8.2.260.0080.00016.57
8.2.250.0150.00018.32
8.2.240.0120.00616.88
8.2.230.0030.00622.58
8.2.220.0090.00024.06
8.2.210.0030.00626.77
8.2.200.0000.00916.38
8.2.190.0080.00818.14
8.2.180.0070.00718.53
8.2.170.0070.00722.96
8.2.160.0070.00719.29
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0070.00320.64
8.2.110.0080.00320.35
8.2.100.0030.00917.84
8.2.90.0000.00719.34
8.2.80.0090.00018.77
8.2.70.0030.00617.50
8.2.60.0030.00517.93
8.2.50.0050.00318.07
8.2.40.0030.00518.16
8.2.30.0030.00518.05
8.2.20.0040.00418.06
8.2.10.0000.00718.19
8.2.00.0040.00419.37
8.1.330.0120.00621.98
8.1.320.0130.00616.16
8.1.310.0140.00416.90
8.1.300.0080.00020.09
8.1.290.0100.00030.84
8.1.280.0150.00025.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0070.00321.94
8.1.230.0060.00622.25
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0050.00517.35
8.1.190.0080.00017.23
8.1.180.0070.00318.10
8.1.170.0000.01018.37
8.1.160.0040.00418.89
8.1.150.0040.00418.82
8.1.140.0040.00418.90
8.1.130.0000.00620.17
8.1.120.0040.00417.35
8.1.110.0030.00317.45
8.1.100.0040.00417.35
8.1.90.0040.00417.44
8.1.80.0050.00217.45
8.1.70.0040.00417.45
8.1.60.0000.00817.52
8.1.50.0000.00817.37
8.1.40.0040.00417.53
8.1.30.0050.00217.59
8.1.20.0040.00417.58
8.1.10.0040.00417.45
8.1.00.0000.00917.57
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.32
8.0.270.0000.00816.88
8.0.260.0040.00421.91
8.0.250.0000.00716.93
8.0.240.0040.00416.97
8.0.230.0000.00716.82
8.0.220.0030.00416.88
8.0.210.0040.00416.89
8.0.200.0030.00316.89
8.0.190.0080.00016.97
8.0.180.0040.00416.90
8.0.170.0040.00416.93
8.0.160.0050.00216.89
8.0.150.0030.00616.82
8.0.140.0040.00416.89
8.0.130.0040.00413.36
8.0.120.0000.00816.88
8.0.110.0000.00716.84
8.0.100.0040.00416.88
8.0.90.0080.00016.89
8.0.80.0170.00416.96
8.0.70.0060.00316.79
8.0.60.0000.00716.89
8.0.50.0050.00316.75
8.0.30.0110.00917.02
8.0.20.0040.01417.40
8.0.10.0030.00316.90
8.0.00.0150.00316.74
7.4.330.0000.00515.55
7.4.320.0000.00716.69
7.4.300.0060.00016.52
7.4.290.0030.00316.59
7.4.280.0000.00716.60
7.4.270.0000.00716.61
7.4.260.0000.00816.60
7.4.250.0000.00716.46
7.4.240.0030.00316.51
7.4.230.0000.00716.25
7.4.220.0000.00816.71
7.4.210.0070.00916.60
7.4.200.0040.00416.63
7.4.160.0050.01216.46
7.4.140.0110.00917.86
7.4.130.0090.00916.66
7.4.120.0100.00916.48
7.4.110.0080.01316.54
7.4.100.0160.00016.55
7.4.90.0040.01516.58
7.4.80.0070.01019.39
7.4.70.0110.00416.42
7.4.60.0150.00316.32
7.4.50.0110.00416.55
7.4.40.0060.01816.44
7.4.10.0100.01014.80
7.4.00.0090.00814.98
7.3.330.0020.00213.13
7.3.320.0000.00713.22
7.3.310.0000.00916.18
7.3.300.0060.00016.20
7.3.290.0070.01116.30
7.3.280.0090.00716.22
7.3.260.0130.00516.48
7.3.240.0090.01116.36
7.3.230.0060.01116.36
7.3.210.0150.00416.66
7.3.200.0140.00716.36
7.3.190.0030.01216.57
7.3.180.0070.01016.52
7.3.170.0090.00616.37
7.3.160.0160.00616.24
7.3.130.0030.01614.85
7.3.120.0100.00714.63
7.3.110.0070.01014.73
7.3.100.0030.01314.84
7.3.90.0120.00314.85
7.3.80.0000.01114.84
7.3.70.0060.00314.73
7.3.60.0080.00614.81
7.3.50.0040.00414.69
7.3.40.0120.00314.96
7.3.30.0030.01014.81
7.3.20.0120.00316.70
7.3.10.0030.01016.73
7.3.00.0130.00316.62
7.2.330.0080.01016.50
7.2.320.0140.00716.89
7.2.310.0140.00716.57
7.2.300.0080.00816.71
7.2.290.0130.00316.74
7.2.260.0080.01115.06
7.2.250.0130.00614.95
7.2.240.0060.00915.15
7.2.230.0070.01315.13
7.2.220.0100.00315.32
7.2.210.0040.01115.25
7.2.200.0100.00314.89
7.2.190.0100.00715.13
7.2.180.0070.01015.02
7.2.170.0060.00915.11
7.2.160.0060.00615.01
7.2.150.0060.00917.12
7.2.140.0080.00316.97
7.2.130.0090.00317.14
7.2.120.0070.00716.91
7.2.110.0060.00617.11
7.2.100.0130.00317.03
7.2.90.0880.01015.87
7.2.80.0710.00915.75
7.2.70.0510.01015.89
7.2.60.0860.00615.90
7.2.50.0870.00915.98
7.2.40.0630.00315.96
7.2.30.0660.00516.07
7.2.20.0600.01316.14
7.2.10.0590.00615.92
7.2.00.0680.00915.89
7.1.330.0070.00715.98
7.1.320.0100.00315.70
7.1.310.0040.01115.45
7.1.300.0070.00715.81
7.1.290.0030.01316.01
7.1.280.0060.00815.77
7.1.270.0080.00815.61
7.1.260.0030.01415.89
7.1.250.0070.00715.76
7.1.240.0000.01415.94
7.1.230.0090.00315.80
7.1.220.0100.00315.91
7.1.210.0860.00614.74
7.1.200.0580.01214.83
7.1.190.0760.00514.78
7.1.180.0880.00714.56
7.1.170.0550.00714.92
7.1.160.0480.00414.75
7.1.150.0430.00714.63
7.1.140.0550.00814.92
7.1.130.0900.00714.70
7.1.120.0660.00814.77
7.1.110.0760.01015.01
7.1.100.0740.00814.96
7.1.90.0930.00414.84
7.1.80.0820.00614.90
7.1.70.1050.00514.87
7.1.60.1110.00724.01
7.1.50.1050.01523.78
7.1.40.1100.00723.89
7.1.30.1030.01123.84
7.1.20.1140.00923.90
7.1.10.0960.00814.89
7.1.00.1260.00814.98
7.0.330.0070.01015.52
7.0.320.0070.00715.14
7.0.310.0050.00515.16
7.0.300.0130.00315.18
7.0.290.0060.00315.44
7.0.280.0060.00915.54
7.0.270.0040.00815.39
7.0.260.0030.00915.33
7.0.250.0000.01415.47
7.0.240.0080.00815.40
7.0.230.0090.00615.58
7.0.220.0070.00715.45
7.0.210.0030.01015.25
7.0.200.0000.00815.29
7.0.190.0070.00415.42
7.0.180.0060.00615.41
7.0.170.0110.00415.57
7.0.160.0070.01015.20
7.0.150.0070.01015.49
7.0.140.0100.00715.46
7.0.130.0030.01015.14
7.0.120.0030.00915.62
7.0.110.0040.01115.42
7.0.100.0110.00715.55
7.0.90.0030.00815.28
7.0.80.0060.00915.40
7.0.70.0080.00315.37
7.0.60.0030.00815.17
7.0.50.0040.00815.57
7.0.40.0000.00913.41
7.0.30.0030.00613.52
7.0.20.0070.01013.28
7.0.10.0070.01113.56
7.0.00.0100.00713.62
5.6.400.0040.01114.21
5.6.390.0070.00714.62
5.6.380.0090.00614.46
5.6.370.0040.00814.54
5.6.360.0000.01714.28
5.6.350.0060.00914.48
5.6.340.0040.01114.61
5.6.330.0060.00314.63
5.6.320.0030.01214.54
5.6.310.0100.00314.35
5.6.300.0110.00814.30
5.6.290.0100.00714.59
5.6.280.0120.00314.67
5.6.270.0040.01114.55
5.6.260.0050.00514.27
5.6.250.0060.01214.51
5.6.240.0000.01514.74
5.6.230.0070.00714.33
5.6.220.0040.00414.46
5.6.210.0090.00414.62
5.6.200.0050.00514.39
5.6.190.0100.00714.51
5.6.180.0030.01014.29
5.6.170.0100.00714.42
5.6.160.0070.00714.34
5.6.150.0060.00914.36
5.6.140.0050.00314.54
5.6.130.0100.00014.15
5.6.120.0000.01514.56
5.6.110.0110.00414.67
5.6.100.0100.00614.28
5.6.90.0040.00714.44
5.6.80.0030.01014.24
5.6.70.0030.01014.33
5.6.60.0080.00414.41
5.6.50.0070.00714.42
5.6.40.0030.01014.44
5.6.30.0000.01614.36
5.6.20.0000.01414.07
5.6.10.0000.01514.57
5.6.00.0030.01014.58

preferences:
120.71 ms | 403 KiB | 5 Q