3v4l.org

run code in 300+ PHP versions simultaneously
<?php class O implements ArrayAccess { public function offsetSet($key, $value) { $this->data[$key] = $value; } public function offsetExists($key) { return isset($this->data[$key]); } public function offsetUnset($key) { unset($this->data[$key]); } public function offsetGet($key) { return $this->data[$key]; } } $o = new O; $o['foo'] = 'bar'; var_dump(array_key_exists('foo', $o)); var_dump(array_key_exists('bar', $o)); $a = array(); $a['foo'] = 'bar'; var_dump(array_key_exists('foo', $a)); var_dump(array_key_exists('bar', $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)
8.3.60.0090.00916.63
8.3.50.0130.00422.06
8.3.40.0070.00718.70
8.3.30.0140.00019.17
8.3.20.0040.00420.04
8.3.10.0040.00423.74
8.3.00.0090.00017.90
8.2.180.0110.00716.50
8.2.170.0100.01022.96
8.2.160.0100.00320.26
8.2.150.0000.00824.18
8.2.140.0110.00724.66
8.2.130.0000.00726.16
8.2.120.0080.00019.61
8.2.110.0070.00322.17
8.2.100.0070.00420.40
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0050.00717.75
8.2.60.0050.00318.04
8.2.50.0060.00318.07
8.2.40.0060.00318.16
8.2.30.0040.00418.30
8.2.20.0040.00417.68
8.2.10.0000.00718.18
8.2.00.0030.00517.84
8.1.280.0070.00725.92
8.1.270.0080.00023.96
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00923.96
8.1.230.0040.00719.09
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0030.00518.64
8.1.160.0060.00321.99
8.1.150.0040.00418.62
8.1.140.0040.00417.52
8.1.130.0070.00017.69
8.1.120.0000.00717.39
8.1.110.0000.01017.35
8.1.100.0040.00417.46
8.1.90.0040.00417.43
8.1.80.0050.00317.52
8.1.70.0030.00317.31
8.1.60.0070.00317.46
8.1.50.0030.00517.48
8.1.40.0000.00917.52
8.1.30.0060.00317.66
8.1.20.0000.00817.48
8.1.10.0040.00417.56
8.1.00.0020.00517.38
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0030.00318.36
8.0.270.0000.00717.29
8.0.260.0030.00617.21
8.0.250.0040.00417.00
8.0.240.0030.00617.05
8.0.230.0040.00417.03
8.0.220.0070.00016.97
8.0.210.0040.00416.96
8.0.200.0000.00616.90
8.0.190.0000.00716.99
8.0.180.0000.00716.89
8.0.170.0050.00316.95
8.0.160.0070.00016.84
8.0.150.0030.00616.93
8.0.140.0080.00316.79
8.0.130.0000.00513.42
8.0.120.0000.00817.00
8.0.110.0040.00416.96
8.0.100.0000.00716.81
8.0.90.0040.00416.81
8.0.80.0130.00316.90
8.0.70.0060.00317.01
8.0.60.0000.00716.84
8.0.50.0000.00816.94
8.0.30.0070.01217.04
8.0.20.0080.01117.41
8.0.10.0040.00416.99
8.0.00.0140.00316.84
7.4.330.0050.00015.07
7.4.320.0060.00316.50
7.4.300.0030.00316.50
7.4.290.0070.00016.48
7.4.280.0000.00816.48
7.4.270.0070.00016.52
7.4.260.0060.00016.50
7.4.250.0000.00716.54
7.4.240.0040.00416.56
7.4.230.0000.00716.52
7.4.220.0050.01316.66
7.4.210.0070.01016.52
7.4.200.0070.00016.70
7.4.160.0100.00616.55
7.4.150.0130.00617.40
7.4.140.0120.01017.86
7.4.130.0050.01516.50
7.4.120.0120.00716.78
7.4.110.0100.00716.55
7.4.100.0030.01316.55
7.4.90.0070.01116.58
7.4.80.0120.00819.39
7.4.70.0070.01716.59
7.4.60.0120.00616.61
7.4.50.0000.00716.52
7.4.40.0110.00716.51
7.4.30.0030.01316.65
7.4.00.0070.01014.92
7.3.330.0030.00313.28
7.3.320.0030.00313.13
7.3.310.0070.00016.33
7.3.300.0000.00716.34
7.3.290.0070.00716.25
7.3.280.0100.00616.34
7.3.270.0140.00417.40
7.3.260.0190.00316.30
7.3.250.0170.00116.45
7.3.240.0130.01016.63
7.3.230.0080.00816.65
7.3.210.0100.00616.29
7.3.200.0100.01019.39
7.3.190.0100.01016.61
7.3.180.0130.00316.28
7.3.170.0070.01016.42
7.3.160.0100.00616.63
7.3.120.0070.01114.83
7.3.110.0000.01714.53
7.3.100.0050.00814.83
7.3.90.0100.00314.89
7.3.80.0030.00614.61
7.3.70.0000.01214.88
7.3.60.0100.00015.02
7.3.50.0100.00714.55
7.3.40.0040.01214.81
7.3.30.0030.00814.77
7.3.20.0070.01016.81
7.3.10.0080.00616.56
7.3.00.0100.00416.72
7.2.330.0070.01116.58
7.2.320.0080.00816.59
7.2.310.0140.01016.79
7.2.300.0150.00616.47
7.2.290.0120.00616.70
7.2.250.0120.00415.21
7.2.240.0090.00915.27
7.2.230.0070.01014.97
7.2.220.0030.01015.23
7.2.210.0070.00715.30
7.2.200.0030.01315.18
7.2.190.0060.00615.09
7.2.180.0070.00715.07
7.2.170.0070.00715.00
7.2.130.0030.01316.78
7.2.120.0070.01016.70
7.2.110.0090.00616.66
7.2.100.0080.00316.76
7.2.90.0070.00716.95
7.2.80.0080.00516.82
7.2.70.0130.00017.19
7.2.60.0100.00616.73
7.2.50.0040.00716.83
7.2.40.0070.00316.95
7.2.30.0060.01116.89
7.2.20.0100.00716.89
7.2.10.0070.00316.84
7.2.00.0090.00518.06
7.1.330.0100.00715.67
7.1.320.0120.00415.97
7.1.310.0070.00715.96
7.1.300.0070.00715.79
7.1.290.0030.01215.89
7.1.280.0060.01015.76
7.1.270.0100.00315.73
7.1.260.0090.00615.59
7.1.250.0000.00915.80
7.1.100.0030.00918.07
7.1.70.0030.00617.19
7.1.60.0170.00917.15
7.1.50.0120.01216.93
7.1.00.0030.07322.48
7.0.200.0090.00916.88
7.0.140.0000.07321.99
7.0.110.0100.07020.02
7.0.100.0070.05719.93
7.0.90.0070.07720.03
7.0.80.0070.08019.89
7.0.70.0100.03720.02
7.0.60.0170.04319.88
7.0.50.0270.04020.25
7.0.40.0030.04020.26
7.0.30.0030.04320.27
7.0.20.0170.03020.27
7.0.10.0070.04320.27
7.0.00.0000.05020.04
5.6.280.0000.07321.11
5.6.260.0070.05020.70
5.6.250.0070.08020.69
5.6.240.0070.04020.60
5.6.230.0070.08320.50
5.6.220.0030.06320.50
5.6.210.0030.04020.58
5.6.200.0030.04320.97
5.6.190.0030.04321.15
5.6.180.0000.05021.03
5.6.170.0100.03721.15
5.6.160.0070.06321.27
5.6.150.0030.06020.95
5.6.140.0100.03720.93
5.6.130.0100.03721.02
5.6.120.0070.07321.03
5.6.110.0030.04321.09
5.6.100.0000.04321.18
5.6.90.0100.04021.11
5.6.80.0070.04020.53
5.6.70.0030.04020.52
5.6.60.0030.04020.46
5.6.50.0070.07020.66
5.6.40.0000.04320.65
5.6.30.0070.04720.30
5.6.20.0070.03720.50
5.6.10.0100.03320.65
5.6.00.0030.05020.44
5.5.380.0130.07320.39
5.5.370.0230.06320.43
5.5.360.0070.08020.27
5.5.350.0070.04020.34
5.5.340.0030.04320.99
5.5.330.0070.04720.98
5.5.320.0070.03720.93
5.5.310.0030.04020.98
5.5.300.0070.03720.81
5.5.290.0000.05020.97
5.5.280.0000.07020.81
5.5.270.0030.04720.70
5.5.260.0070.04321.01
5.5.250.0030.04320.68
5.5.240.0070.03720.28
5.5.230.0000.04320.19
5.5.220.0130.03020.25
5.5.210.0070.04020.28
5.5.200.0030.04020.11
5.5.190.0000.04320.26
5.5.180.0000.04720.16
5.5.160.0030.04020.19
5.5.150.0070.03720.21
5.5.140.0070.03720.26
5.5.130.0070.03720.12
5.5.120.0070.06320.32
5.5.110.0070.03720.30
5.5.100.0100.04319.97
5.5.90.0000.04320.21
5.5.80.0170.06720.25
5.5.70.0000.04320.27
5.5.60.0070.07020.15
5.5.50.0070.07020.25
5.5.40.0100.07020.13
5.5.30.0030.08319.98
5.5.20.0100.03720.15
5.5.10.0070.03720.14
5.5.00.0000.06020.02
5.4.450.0000.04319.34
5.4.440.0000.04719.67
5.4.430.0030.06319.50
5.4.420.0070.03719.56
5.4.410.0030.06319.46
5.4.400.0130.05019.17
5.4.390.0070.03319.02
5.4.380.0070.06718.95
5.4.370.0070.03719.34
5.4.360.0070.03319.34
5.4.350.0070.03319.31
5.4.340.0100.05018.98
5.4.320.0030.04019.00
5.4.310.0030.03719.00
5.4.300.0070.03319.10
5.4.290.0030.03718.97
5.4.280.0000.04019.10
5.4.270.0000.04318.95
5.4.260.0070.03319.13
5.4.250.0030.07019.02
5.4.240.0100.07319.03
5.4.230.0070.07019.14
5.4.220.0070.08019.21
5.4.210.0070.04318.94
5.4.200.0070.07319.02
5.4.190.0100.06019.17
5.4.180.0070.03319.23
5.4.170.0070.06719.00
5.4.160.0030.05319.16
5.4.150.0030.08018.96
5.4.140.0000.08716.34
5.4.130.0100.06016.39
5.4.120.0070.07016.59
5.4.110.0070.07016.57
5.4.100.0130.06316.31
5.4.90.0070.07016.31
5.4.80.0130.06316.45
5.4.70.0030.04716.54
5.4.60.0130.06716.59
5.4.50.0070.07016.33
5.4.40.0270.05016.44
5.4.30.0100.04316.29
5.4.20.0130.06716.23
5.4.10.0130.06716.62
5.4.00.0070.07715.86
5.3.290.0070.06314.73
5.3.280.0130.06314.75
5.3.270.0100.07714.62
5.3.260.0100.07714.70
5.3.250.0130.06714.57
5.3.240.0000.05014.63
5.3.230.0000.08714.62
5.3.220.0070.07714.71
5.3.210.0000.07714.60
5.3.200.0130.04314.59
5.3.190.0070.07314.58
5.3.180.0100.07014.55
5.3.170.0170.06314.59
5.3.160.0100.07314.57
5.3.150.0070.07314.65
5.3.140.0100.07314.64
5.3.130.0070.05714.68
5.3.120.0070.07314.56
5.3.110.0100.07314.57
5.3.100.0070.07714.04
5.3.90.0070.06713.88
5.3.80.0030.07714.15
5.3.70.0070.07014.03
5.3.60.0070.07014.09
5.3.50.0070.07313.93
5.3.40.0030.07714.10
5.3.30.0070.05713.98
5.3.20.0030.07013.93
5.3.10.0100.07013.66
5.3.00.0000.04313.65
5.2.170.0030.06011.70
5.2.160.0100.04711.70
5.2.150.0100.05711.70
5.2.140.0100.05311.70
5.2.130.0070.03011.70
5.2.120.0070.06011.70
5.2.110.0070.06011.70
5.2.100.0070.05311.70
5.2.90.0100.03011.70
5.2.80.0030.04711.70
5.2.70.0070.03011.70
5.2.60.0100.05011.70
5.2.50.0070.06311.70
5.2.40.0070.06011.70
5.2.30.0000.04011.70
5.2.20.0030.06311.70
5.2.10.0030.06011.70
5.2.00.0130.05311.70
5.1.60.0000.05311.70
5.1.50.0000.03311.70
5.1.40.0070.05311.70
5.1.30.0070.03711.70
5.1.20.0000.03711.70
5.1.10.0070.05311.70
5.1.00.0030.03011.70
5.0.50.0000.05011.70
5.0.40.0100.03011.70
5.0.30.0070.06011.70
5.0.20.0030.04311.70
5.0.10.0070.03711.70
5.0.00.0030.04711.70
4.4.90.0130.02711.70
4.4.80.0030.03711.70
4.4.70.0030.03311.70
4.4.60.0000.02011.70
4.4.50.0070.03311.70
4.4.40.0030.05011.70
4.4.30.0070.01311.70
4.4.20.0000.03711.70
4.4.10.0030.03311.70
4.4.00.0000.05711.70
4.3.110.0000.03311.70
4.3.100.0000.03011.70
4.3.90.0070.02711.70
4.3.80.0030.05011.70
4.3.70.0030.03011.70
4.3.60.0030.03311.70
4.3.50.0030.03011.70
4.3.40.0000.05311.70
4.3.30.0000.04011.70
4.3.20.0000.03311.70
4.3.10.0030.03311.70
4.3.00.0000.03711.70

preferences:
39.3 ms | 401 KiB | 5 Q