3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'a'=>'a', 'b'=>'b', 'c'=>'c', 'd'=>'d', 'e'=>'e', 'f'=>'f', 'g'=>'g' ); var_dump( array_key_exists( $a['d'] ) );

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)
8.3.60.0150.00016.38
8.3.50.0150.00817.37
8.3.40.0110.00418.70
8.3.30.0070.00718.64
8.3.20.0080.00018.90
8.3.10.0090.00020.48
8.3.00.0040.00419.38
8.2.180.0090.00616.75
8.2.170.0110.00422.96
8.2.160.0130.00318.79
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00419.36
8.2.110.0090.00020.89
8.2.100.0040.00817.72
8.2.90.0000.00919.27
8.2.80.0000.00819.34
8.2.70.0040.00417.63
8.2.60.0000.00817.80
8.2.50.0000.00918.07
8.2.40.0040.00418.22
8.2.30.0050.00217.96
8.2.20.0040.00417.59
8.2.10.0000.00817.73
8.2.00.0000.01117.73
8.1.280.0110.00425.92
8.1.270.0080.00024.66
8.1.260.0060.00326.35
8.1.250.0070.01028.09
8.1.240.0060.00322.60
8.1.230.0040.00720.89
8.1.220.0040.00417.74
8.1.210.0080.00018.90
8.1.200.0060.00317.35
8.1.190.0060.00317.50
8.1.180.0000.00918.10
8.1.170.0060.00318.78
8.1.160.0040.00418.83
8.1.150.0040.00418.45
8.1.140.0030.00517.39
8.1.130.0030.00317.83
8.1.120.0040.00417.41
8.1.110.0070.00017.45
8.1.100.0040.00417.29
8.1.90.0040.00417.29
8.1.80.0000.00817.45
8.1.70.0030.00317.41
8.1.60.0040.00417.45
8.1.50.0040.00417.50
8.1.40.0000.00917.52
8.1.30.0040.00417.56
8.1.20.0040.00417.70
8.1.10.0000.00717.51
8.1.00.0030.00617.39
8.0.300.0000.00719.89
8.0.290.0070.00016.75
8.0.280.0030.00318.34
8.0.270.0050.00317.18
8.0.260.0000.00716.84
8.0.250.0070.00016.97
8.0.240.0000.00717.00
8.0.230.0070.00016.96
8.0.220.0000.00816.94
8.0.210.0030.00316.77
8.0.200.0070.00017.00
8.0.190.0040.00316.95
8.0.180.0080.00016.94
8.0.170.0060.00316.94
8.0.160.0000.00716.89
8.0.150.0040.00416.77
8.0.140.0070.00316.87
8.0.130.0000.00513.41
8.0.120.0040.00416.75
8.0.110.0030.00316.67
8.0.100.0030.00516.79
8.0.90.0040.00416.90
8.0.80.0070.01016.77
8.0.70.0000.00716.79
8.0.60.0040.00416.94
8.0.50.0000.00716.85
8.0.30.0110.00817.00
8.0.20.0070.01117.26
8.0.10.0070.00016.99
8.0.00.0080.01116.76
7.4.330.0020.00212.92
7.4.320.0000.00616.30
7.4.300.0070.00016.48
7.4.290.0000.00716.45
7.4.280.0060.00316.45
7.4.270.0070.00016.39
7.4.260.0030.00313.21
7.4.250.0000.00716.36
7.4.240.0040.00416.46
7.4.230.0070.00016.41
7.4.220.0130.01316.34
7.4.210.0020.01216.57
7.4.200.0030.00316.26
7.4.190.0030.00316.70
7.4.160.0060.01216.30
7.4.150.0130.00316.44
7.4.140.0080.01316.57
7.4.130.0110.01116.46
7.4.120.0120.00716.43
7.4.110.0090.00916.50
7.4.100.0030.01316.56
7.4.90.0120.00616.45
7.4.80.0180.00819.39
7.4.70.0030.01416.20
7.4.60.0060.00916.56
7.4.50.0060.00316.35
7.4.40.0070.00516.27
7.4.30.0100.00616.48
7.4.00.0040.00715.08
7.3.330.0000.00613.11
7.3.320.0060.00013.19
7.3.310.0000.00716.20
7.3.300.0030.00316.18
7.3.290.0130.00716.27
7.3.280.0080.01116.29
7.3.270.0060.01216.33
7.3.260.0100.00616.25
7.3.250.0100.00816.47
7.3.240.0130.00616.46
7.3.230.0130.00716.21
7.3.210.0040.01216.21
7.3.200.0090.01216.55
7.3.190.0100.00716.30
7.3.180.0120.00316.31
7.3.170.0120.00616.43
7.3.160.0130.00916.37
7.3.120.0030.01014.88
7.3.10.0070.00716.55
7.3.00.0070.01016.29
7.2.330.0120.00616.33
7.2.320.0070.01016.36
7.2.310.0150.00916.48
7.2.300.0100.00516.61
7.2.290.0060.01116.67
7.2.130.0090.00616.46
7.2.120.0040.00716.55
7.2.110.0070.00716.66
7.2.100.0030.01416.40
7.2.90.0070.01016.55
7.2.80.0090.00316.43
7.2.70.0030.00916.59
7.2.60.0040.01116.53
7.2.50.0000.00916.52
7.2.40.0050.00516.65
7.2.30.0100.00716.71
7.2.20.0000.00916.38
7.2.10.0100.00316.69
7.2.00.0030.00918.01
7.1.250.0070.00715.75
7.1.100.0040.00817.93
7.1.70.0000.00816.64
7.1.60.0170.01019.40
7.1.50.0070.01516.73
7.1.00.0100.06322.28
7.0.200.1440.00314.41
7.0.140.0070.06721.99
7.0.120.0100.06722.19
7.0.110.0270.03719.88
7.0.100.0530.04720.04
7.0.90.0370.03719.89
7.0.80.0470.04019.96
7.0.70.0270.05319.96
7.0.60.0370.04720.04
7.0.50.0470.04019.95
7.0.40.0030.04019.65
7.0.30.0070.07019.79
7.0.20.0100.03719.84
7.0.10.0000.05019.81
7.0.00.0000.05019.70
5.6.280.0070.07021.10
5.6.260.0130.03320.73
5.6.250.0000.04720.71
5.6.240.0030.05720.68
5.6.230.0030.03720.70
5.6.220.0030.04320.68
5.6.210.0130.02320.65
5.6.200.0030.04320.64
5.6.190.0030.06020.65
5.6.180.0030.05720.62
5.6.170.0130.03320.61
5.6.160.0030.05720.63
5.6.150.0100.03720.55
5.6.140.0070.06320.58
5.6.130.0070.05020.59
5.6.120.0170.07020.65
5.6.110.0000.04320.84
5.6.100.0100.05320.83
5.6.90.0100.08320.54
5.6.80.0070.04320.06
5.6.70.0100.03719.84
5.6.60.0170.03020.02
5.6.50.0070.07320.08
5.6.40.0030.07719.83
5.6.30.0070.07719.91
5.6.20.0130.07719.92
5.6.10.0070.03320.20
5.6.00.0030.06019.82
5.5.380.0000.04717.56
5.5.370.0070.04317.46
5.5.360.0030.04017.39
5.5.350.0070.03317.46
5.5.340.0030.05318.02
5.5.330.0030.06718.09
5.5.320.0030.06717.89
5.5.310.0100.05317.84
5.5.300.0100.04017.86
5.5.290.0070.05317.84
5.5.280.0100.06717.89
5.5.270.0030.05017.97
5.5.260.0030.04317.88
5.5.250.0030.08317.91
5.5.240.0130.04017.64
5.5.230.0070.08017.50
5.5.220.0070.03317.48
5.5.210.0000.03717.40
5.5.200.0030.04017.22
5.5.190.0100.06717.20
5.5.180.0100.04717.36
5.5.160.0100.02717.34
5.5.150.0030.04317.45
5.5.140.0030.03717.50
5.5.130.0030.05717.21
5.5.120.0000.05317.21
5.5.110.0070.06717.50
5.5.100.0100.03717.28
5.5.90.0070.07017.14
5.5.80.0170.02717.41
5.5.70.0100.05717.34
5.5.60.0030.05317.13
5.5.50.0070.06017.36
5.5.40.0100.06017.40
5.5.30.0230.03717.02
5.5.20.0130.04317.39
5.5.10.0030.04017.08
5.5.00.0030.03717.10
5.4.450.0100.06319.29
5.4.440.0030.05019.53
5.4.430.0100.07019.41
5.4.420.0070.04019.38
5.4.410.0030.07719.27
5.4.400.0030.04019.18
5.4.390.0030.06019.27
5.4.380.0070.04718.95
5.4.370.0030.03719.09
5.4.360.0030.04719.12
5.4.350.0000.04319.12
5.4.340.0100.06719.16
5.4.320.0070.03719.11
5.4.310.0030.03319.03
5.4.300.0000.04018.95
5.4.290.0030.04719.09
5.4.280.0070.08319.16
5.4.270.0100.05018.95
5.4.260.0070.08719.07
5.4.250.0070.06019.15
5.4.240.0070.03719.15
5.4.230.0030.04719.11
5.4.220.0000.04318.99
5.4.210.0230.03319.09
5.4.200.0030.04318.99
5.4.190.0070.03718.99
5.4.180.0130.04018.93
5.4.170.0030.07719.02
5.4.160.0030.07018.98
5.4.150.0030.04319.09
5.4.140.0000.05316.27
5.4.130.0030.07716.46
5.4.120.0100.06716.25
5.4.110.0100.07016.49
5.4.100.0030.06316.38
5.4.90.0100.02716.51
5.4.80.0130.03016.27
5.4.70.0000.04016.27
5.4.60.0100.04016.54
5.4.50.0000.06016.10
5.4.40.0070.05316.55
5.4.30.0030.05016.25
5.4.20.0070.03016.46
5.4.10.0100.05316.25
5.4.00.0100.04715.70
5.3.290.0100.02714.45
5.3.280.0070.05014.44
5.3.270.0030.04014.70
5.3.260.0070.03314.43
5.3.250.0000.07714.55
5.3.240.0070.04314.48
5.3.230.0030.07714.54
5.3.220.0000.04314.45
5.3.210.0130.06014.52
5.3.200.0030.03014.43
5.3.190.0070.04714.50
5.3.180.0030.07014.46
5.3.170.0000.08014.46
5.3.160.0070.03014.57
5.3.150.0000.04014.64
5.3.140.0000.04314.56
5.3.130.0070.03314.46
5.3.120.0070.03014.57
5.3.110.0030.04014.61
5.3.100.0030.07713.89
5.3.90.0070.03314.08
5.3.80.0030.03713.86
5.3.70.0070.02713.95
5.3.60.0030.03713.93
5.3.50.0000.06713.88
5.3.40.0070.07013.83
5.3.30.0030.07313.84
5.3.20.0030.04313.79
5.3.10.0030.04013.59
5.3.00.0100.04713.42
5.2.170.0030.02311.88
5.2.160.0070.05011.88
5.2.150.0030.04011.88
5.2.140.0000.04011.88
5.2.130.0030.02711.88
5.2.120.0000.03011.88
5.2.110.0070.02311.88
5.2.100.0100.02311.88
5.2.90.0030.02311.88
5.2.80.0000.03311.88
5.2.70.0000.03311.88
5.2.60.0070.02311.88
5.2.50.0030.03011.88
5.2.40.0070.03011.88
5.2.30.0070.06011.88
5.2.20.0000.02711.88
5.2.10.0030.02311.88
5.2.00.0030.03011.88
5.1.60.0000.02711.88
5.1.50.0000.02711.88
5.1.40.0030.02711.88
5.1.30.0000.02311.88
5.1.20.0070.02311.88
5.1.10.0030.02011.88
5.1.00.0000.02311.88
5.0.50.0030.03011.88
5.0.40.0000.02011.88
5.0.30.0000.03311.88
5.0.20.0000.01711.88
5.0.10.0000.02011.88
5.0.00.0030.02311.88
4.4.90.0000.02311.88
4.4.80.0030.01311.88
4.4.70.0000.01711.88
4.4.60.0070.00711.88
4.4.50.0000.01711.88
4.4.40.0000.02311.88
4.4.30.0000.01711.88
4.4.20.0030.02011.88
4.4.10.0000.01711.88
4.4.00.0000.02011.88
4.3.110.0000.01311.88
4.3.100.0030.01711.88
4.3.90.0070.00711.88
4.3.80.0100.01711.88
4.3.70.0000.01711.88
4.3.60.0000.04011.88
4.3.50.0000.03011.88
4.3.40.0000.03011.88
4.3.30.0000.02011.88
4.3.20.0000.01711.88
4.3.10.0030.02011.88
4.3.00.0070.03011.88

preferences:
40.19 ms | 401 KiB | 5 Q