3v4l.org

run code in 300+ PHP versions simultaneously
<?php class B {} $a = new stdClass; $b = new B; $b->a = 1; $item='null'; var_dump(array_key_exists($item, $a), array_key_exists('a', $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)
8.3.60.0140.00418.31
8.3.50.0150.00721.02
8.3.40.0160.00018.75
8.3.30.0100.00322.01
8.3.20.0080.00020.26
8.3.10.0050.00322.14
8.3.00.0040.00422.34
8.2.180.0140.00417.00
8.2.170.0040.01122.96
8.2.160.0070.00722.21
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00020.61
8.2.110.0060.00319.39
8.2.100.0120.00017.71
8.2.90.0000.00919.22
8.2.80.0040.00419.39
8.2.70.0080.00017.50
8.2.60.0080.00017.93
8.2.50.0090.00018.07
8.2.40.0040.00418.09
8.2.30.0000.00719.42
8.2.20.0040.00417.84
8.2.10.0000.00717.67
8.2.00.0000.00817.68
8.1.280.0090.00625.92
8.1.270.0080.00023.99
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.49
8.1.230.0040.00820.98
8.1.220.0090.00018.77
8.1.210.0000.00819.09
8.1.200.0040.00417.23
8.1.190.0040.00417.55
8.1.180.0080.00018.10
8.1.170.0040.00418.46
8.1.160.0070.00018.74
8.1.150.0000.00718.55
8.1.140.0070.00017.38
8.1.130.0030.00617.81
8.1.120.0000.00817.43
8.1.110.0040.00417.42
8.1.100.0030.00617.35
8.1.90.0040.00417.36
8.1.80.0000.00717.45
8.1.70.0050.00217.38
8.1.60.0060.00317.41
8.1.50.0040.00417.41
8.1.40.0040.00717.50
8.1.30.0000.00817.47
8.1.20.0060.00317.64
8.1.10.0030.00517.48
8.1.00.0100.00017.52
8.0.300.0070.00019.98
8.0.290.0080.00017.18
8.0.280.0000.00718.27
8.0.270.0030.00317.16
8.0.260.0070.00016.70
8.0.250.0070.00316.88
8.0.240.0000.00816.96
8.0.230.0000.00716.95
8.0.220.0050.00216.79
8.0.210.0040.00416.91
8.0.200.0000.00617.01
8.0.190.0070.00016.94
8.0.180.0000.00716.88
8.0.170.0050.00316.88
8.0.160.0030.00316.76
8.0.150.0030.00316.87
8.0.140.0090.00016.85
8.0.130.0050.00013.33
8.0.120.0050.00216.78
8.0.110.0000.00816.79
8.0.100.0040.00416.77
8.0.90.0040.00416.80
8.0.80.0040.01016.92
8.0.70.0040.00416.89
8.0.60.0000.00816.79
8.0.50.0040.00416.84
8.0.30.0090.00917.07
8.0.20.0070.01317.40
8.0.10.0040.00417.08
8.0.00.0130.00416.82
7.4.330.0000.00516.73
7.4.320.0030.00316.59
7.4.300.0000.00616.61
7.4.290.0080.00016.55
7.4.280.0000.00716.55
7.4.270.0000.00716.40
7.4.260.0030.00313.27
7.4.250.0050.00316.49
7.4.240.0040.00416.59
7.4.230.0030.00316.63
7.4.220.0070.01016.50
7.4.210.0080.00616.53
7.4.200.0080.00016.54
7.4.190.0070.00016.36
7.4.160.0150.00316.37
7.4.150.0110.00617.40
7.4.140.0090.00817.86
7.4.130.0090.01116.62
7.4.120.0100.00616.42
7.4.110.0120.00416.50
7.4.100.0170.00316.61
7.4.90.0030.01516.64
7.4.80.0170.00519.39
7.4.70.0060.01016.50
7.4.60.0030.01316.44
7.4.50.0060.00316.32
7.4.40.0030.01222.77
7.4.30.0130.00316.50
7.4.00.0060.01014.82
7.3.330.0050.00013.25
7.3.320.0000.00513.00
7.3.310.0000.00716.22
7.3.300.0050.00216.23
7.3.290.0080.01316.15
7.3.280.0090.01016.24
7.3.270.0130.00317.40
7.3.260.0100.00718.24
7.3.250.0120.00916.43
7.3.240.0050.01216.25
7.3.230.0110.00616.39
7.3.210.0030.01316.46
7.3.200.0090.00919.39
7.3.190.0090.00916.39
7.3.180.0080.00916.60
7.3.170.0070.00816.27
7.3.160.0100.00716.25
7.3.120.0090.00614.80
7.3.00.0070.00416.54
7.2.330.0110.00516.68
7.2.320.0070.01116.61
7.2.310.0140.00316.55
7.2.300.0030.01416.69
7.2.290.0200.00316.65
7.2.130.0090.00316.86
7.2.120.0090.00316.75
7.2.110.0080.00416.74
7.2.100.0000.00916.84
7.2.90.0040.00716.57
7.2.80.0090.00416.81
7.2.70.0040.00716.70
7.2.60.0040.00416.47
7.2.50.0030.00716.59
7.2.40.0060.00616.91
7.2.30.0030.01016.96
7.2.20.0160.00016.88
7.2.10.0070.00716.94
7.2.00.0030.00818.11
7.1.250.0130.00315.70
7.1.240.0120.00315.51
7.1.230.0060.00615.82
7.1.220.0030.00615.73
7.1.210.0120.00315.82
7.1.200.0030.00715.53
7.1.190.0090.00015.73
7.1.180.0070.00715.79
7.1.170.0060.00315.57
7.1.160.0000.01015.39
7.1.150.0060.00315.82
7.1.140.0070.00315.67
7.1.130.0040.00915.78
7.1.120.0030.00715.72
7.1.110.0080.00315.79
7.1.100.0020.00816.66
7.1.90.0070.00415.71
7.1.80.0100.00315.64
7.1.70.0030.00816.18
7.1.60.0070.01117.47
7.1.50.0080.00816.13
7.1.40.0000.01115.86
7.1.30.0070.00715.68
7.1.20.0070.00715.84
7.1.10.0030.00615.86
7.1.00.0020.02519.09
7.0.330.0070.00315.29
7.0.320.0030.01015.10
7.0.310.0030.00615.21
7.0.300.0130.00015.10
7.0.290.0000.00914.89
7.0.280.0030.00615.21
7.0.270.0030.01215.25
7.0.260.0090.00614.88
7.0.250.0060.00315.39
7.0.240.0040.00715.44
7.0.230.0080.00815.37
7.0.220.0120.00015.37
7.0.210.0130.00015.40
7.0.200.0030.00715.97
7.0.190.0140.00315.24
7.0.180.0100.00315.29
7.0.170.0030.00915.34
7.0.160.0070.00315.41
7.0.150.0060.00615.36
7.0.140.0030.04018.56
7.0.130.0070.00315.20
7.0.120.0040.00715.13
7.0.110.0090.00015.29
7.0.100.0110.04117.55
7.0.90.0050.04517.56
7.0.80.0080.04117.58
7.0.70.0200.04217.51
7.0.60.0270.03717.62
7.0.50.0220.04017.78
7.0.40.0000.04716.69
7.0.30.0030.04816.57
7.0.20.0070.04616.60
7.0.10.0050.02816.72
7.0.00.0050.04716.70
5.6.380.0060.00614.40
5.6.370.0030.01014.34
5.6.360.0090.00314.59
5.6.350.0060.00314.02
5.6.340.0000.01014.34
5.6.330.0030.00614.13
5.6.320.0070.00713.77
5.6.310.0000.01214.36
5.6.300.0040.00714.19
5.6.290.0060.00613.84
5.6.280.0070.03817.62
5.6.270.0000.01114.15
5.6.260.0040.01114.04
5.6.250.0100.03817.59
5.6.240.0070.04717.49
5.6.230.0110.03917.45
5.6.220.0080.02617.53
5.6.210.0050.04517.42
5.6.200.0090.03717.66
5.6.190.0070.04217.57
5.6.180.0050.04417.74
5.6.170.0070.04217.49
5.6.160.0120.02517.68
5.6.150.0080.04117.42
5.6.140.0060.04817.57
5.6.130.0140.03817.66
5.6.120.0030.04417.61
5.6.110.0100.04117.67
5.6.100.0040.03517.69
5.6.90.0060.02417.38
5.6.80.0030.02617.24
5.6.70.0110.02217.26
5.6.60.0070.02217.25
5.6.50.0050.02417.16
5.6.40.0050.03717.23
5.6.30.0020.03217.15
5.6.20.0160.03017.27
5.6.10.0040.04517.23
5.6.00.0070.04217.14
5.5.380.0070.04515.60
5.5.370.0090.04215.71
5.5.360.0050.04315.67
5.5.350.0020.04715.59
5.5.340.0030.04215.98
5.5.330.0090.02215.94
5.5.320.0050.04315.75
5.5.310.0080.03815.85
5.5.300.0050.03915.86
5.5.290.0080.04515.86
5.5.280.0150.04015.85
5.5.270.0090.03515.96
5.5.260.0040.04216.09
5.5.250.0070.02115.88
5.5.240.0030.02415.67
5.5.230.0070.02215.70
5.5.220.0020.02415.59
5.5.210.0070.01815.43
5.5.200.0060.03315.69
5.5.190.0080.03715.50
5.5.180.0020.03015.71
5.5.170.0040.00411.22
5.5.160.0000.03415.62
5.5.150.0020.02815.64
5.5.140.0050.02015.54
5.5.130.0060.02115.57
5.5.120.0050.02215.53
5.5.110.0050.02315.60
5.5.100.0050.02415.60
5.5.90.0050.02515.63
5.5.80.0050.02215.49
5.5.70.0040.02415.47
5.5.60.0060.02015.62
5.5.50.0090.03515.54
5.5.40.0020.02515.52
5.5.30.0070.01815.56
5.5.20.0090.01915.59
5.5.10.0020.02615.58
5.5.00.0050.02315.56
5.4.450.0050.04515.18
5.4.440.0070.03915.28
5.4.430.0100.03715.33
5.4.420.0090.03815.18
5.4.410.0080.04115.13
5.4.400.0050.02814.90
5.4.390.0080.02715.02
5.4.380.0030.02915.02
5.4.370.0070.02615.04
5.4.360.0070.02014.97
5.4.350.0060.03515.02
5.4.340.0030.02014.97
5.4.330.0040.00410.90
5.4.320.0050.02215.12
5.4.310.0070.04214.96
5.4.300.0040.02115.03
5.4.290.0020.02414.98
5.4.280.0090.02015.06
5.4.270.0050.02114.99
5.4.260.0040.02414.96
5.4.250.0070.02715.14
5.4.240.0070.02115.09
5.4.230.0090.01714.96
5.4.220.0030.02015.07
5.4.210.0060.01914.99
5.4.200.0050.02115.05
5.4.190.0040.02314.89
5.4.180.0040.02214.94
5.4.170.0080.03514.94
5.4.160.0090.01914.95
5.4.150.0050.04415.02
5.4.140.0020.02513.82
5.4.130.0030.02013.65
5.4.120.0050.01813.63
5.4.110.0030.02213.59
5.4.100.0030.02113.64
5.4.90.0030.01813.63
5.4.80.0030.02513.64
5.4.70.0010.03013.68
5.4.60.0070.01813.68
5.4.50.0030.04013.69
5.4.40.0070.02313.63
5.4.30.0070.02213.66
5.4.20.0030.03113.67
5.4.10.0070.03713.62
5.4.00.0030.03013.32
5.3.290.0060.03112.79
5.3.280.0080.01812.79
5.3.270.0090.02012.74
5.3.260.0060.03012.72
5.3.250.0010.02312.78
5.3.240.0050.01812.72
5.3.230.0020.02512.71
5.3.220.0030.02012.72
5.3.210.0050.02412.70
5.3.200.0030.01812.72
5.3.190.0100.02812.79
5.3.180.0080.01512.73
5.3.170.0020.02212.69
5.3.160.0100.02912.76
5.3.150.0050.01712.70
5.3.140.0030.03812.71
5.3.130.0070.03512.69
5.3.120.0020.04112.69
5.3.110.0030.04212.77
5.3.100.0070.03612.47
5.3.90.0050.03012.47
5.3.80.0070.03912.48
5.3.70.0050.02212.49
5.3.60.0080.03012.44
5.3.50.0090.03112.49
5.3.40.0030.03912.43
5.3.30.0050.03512.47
5.3.20.0050.03812.28
5.3.10.0070.02712.23
5.3.00.0060.03512.23
5.2.170.0020.03511.54
5.2.160.0040.03211.54
5.2.150.0030.02311.54
5.2.140.0020.03311.54
5.2.130.0050.03011.54
5.2.120.0100.02011.54
5.2.110.0010.02311.54
5.2.100.0060.02811.54
5.2.90.0060.03111.54
5.2.80.0050.02611.54
5.2.70.0070.03011.54
5.2.60.0020.03411.54
5.2.50.0050.03311.54
5.2.40.0050.02911.54
5.2.30.0040.02811.54
5.2.20.0060.02811.54
5.2.10.0030.02911.54
5.2.00.0050.02311.54
5.1.60.0030.01811.54
5.1.50.0020.03011.54
5.1.40.0050.02611.54
5.1.30.0050.02811.54
5.1.20.0050.02811.54
5.1.10.0060.02811.54
5.1.00.0040.02511.54
5.0.50.0000.02411.54
5.0.40.0040.01811.54
5.0.30.0030.03411.54
5.0.20.0020.02511.54
5.0.10.0040.02111.54
5.0.00.0000.03611.54
4.4.90.0000.02111.54
4.4.80.0050.01411.54
4.4.70.0000.02111.54
4.4.60.0020.01511.54
4.4.50.0000.02111.54
4.4.40.0000.03011.54
4.4.30.0000.02111.54
4.4.20.0000.02211.54
4.4.10.0000.02211.54
4.4.00.0030.02811.54
4.3.110.0050.01711.54
4.3.100.0000.01911.54
4.3.90.0030.01711.54
4.3.80.0050.02511.54
4.3.70.0050.01311.54
4.3.60.0020.02011.54
4.3.50.0020.02411.54
4.3.40.0020.01511.54
4.3.30.0020.01811.54
4.3.20.0010.02011.54
4.3.10.0020.02011.54
4.3.00.0030.01811.54

preferences:
54.06 ms | 401 KiB | 5 Q