3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a','b'); if(array_key_exists('a',$a)){ echo 'true'; } if(!array_key_exists('c',$a)){echo 'false';}

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)
8.3.60.0120.00316.63
8.3.50.0120.00517.41
8.3.40.0150.00418.67
8.3.30.0090.00618.71
8.3.20.0040.00418.59
8.3.10.0080.00018.80
8.3.00.0030.00619.38
8.2.180.0110.00416.63
8.2.170.0080.00822.96
8.2.160.0120.00418.87
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00021.13
8.2.110.0030.00620.27
8.2.100.0040.00817.97
8.2.90.0030.00619.17
8.2.80.0040.00418.22
8.2.70.0070.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.05
8.2.40.0080.00019.12
8.2.30.0060.00317.76
8.2.20.0060.00417.55
8.2.10.0080.00017.68
8.2.00.0060.00317.68
8.1.280.0150.00425.92
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00622.24
8.1.230.0060.00617.83
8.1.220.0040.00417.74
8.1.210.0070.00318.77
8.1.200.0090.00017.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0040.00417.62
8.1.160.0070.00019.02
8.1.150.0040.00418.63
8.1.140.0060.00317.34
8.1.130.0050.00319.28
8.1.120.0040.00417.48
8.1.110.0030.00617.43
8.1.100.0000.01017.44
8.1.90.0070.00017.42
8.1.80.0040.00417.36
8.1.70.0050.00217.43
8.1.60.0040.00417.52
8.1.50.0040.00417.35
8.1.40.0090.00017.41
8.1.30.0030.00517.63
8.1.20.0000.00717.64
8.1.10.0030.00617.48
8.1.00.0050.00217.50
8.0.300.0050.00318.77
8.0.290.0030.00616.75
8.0.280.0070.00018.48
8.0.270.0070.00017.16
8.0.260.0070.00016.77
8.0.250.0030.00916.90
8.0.240.0040.00416.82
8.0.230.0030.00416.93
8.0.220.0000.00716.96
8.0.210.0000.00716.95
8.0.200.0060.00016.95
8.0.190.0030.00416.92
8.0.180.0080.00016.91
8.0.170.0040.00416.89
8.0.160.0000.00716.78
8.0.150.0020.00516.78
8.0.140.0000.00716.87
8.0.130.0000.00613.28
8.0.120.0060.00316.80
8.0.110.0000.00716.95
8.0.100.0060.00316.84
8.0.90.0070.00016.93
8.0.80.0060.01316.77
8.0.70.0070.00016.92
8.0.60.0070.00016.93
8.0.50.0000.00816.77
8.0.30.0050.01417.25
8.0.20.0100.00817.07
8.0.10.0000.00817.06
8.0.00.0100.00916.81
7.4.330.0050.00012.98
7.4.320.0030.00616.41
7.4.300.0000.00716.60
7.4.290.0070.00016.46
7.4.280.0070.00016.61
7.4.270.0060.00016.61
7.4.260.0030.00313.33
7.4.250.0030.00616.61
7.4.240.0000.00716.52
7.4.230.0000.00716.53
7.4.220.0100.01316.56
7.4.210.0090.01216.59
7.4.200.0000.00716.30
7.4.190.0040.00416.69
7.4.160.0090.00616.53
7.4.150.0110.00616.53
7.4.140.0120.00617.86
7.4.130.0120.01216.52
7.4.120.0090.01216.47
7.4.110.0160.00316.50
7.4.100.0100.00716.48
7.4.90.0190.00016.41
7.4.80.0120.00419.39
7.4.70.0120.00816.52
7.4.60.0130.00316.50
7.4.50.0030.00316.41
7.4.40.0130.00016.55
7.4.30.0100.00916.46
7.4.00.0030.01214.98
7.3.330.0030.00313.11
7.3.320.0000.00612.98
7.3.310.0030.00316.18
7.3.300.0000.00715.98
7.3.290.0080.00916.11
7.3.280.0060.01416.11
7.3.270.0090.00816.65
7.3.260.0110.00616.16
7.3.240.0060.00916.20
7.3.230.0080.00816.42
7.3.210.0070.01016.09
7.3.200.0030.01716.08
7.3.190.0090.00616.34
7.3.180.0000.01516.38
7.3.170.0090.00616.28
7.3.160.0130.00616.39
7.3.120.0090.00614.86
7.3.110.0030.01414.82
7.3.100.0090.00314.71
7.3.90.0060.01014.46
7.3.80.0100.00314.69
7.3.70.0060.00814.53
7.3.60.0070.00714.70
7.3.50.0030.00614.82
7.3.40.0030.00614.40
7.3.30.0120.00314.85
7.3.20.0090.00016.37
7.3.10.0070.00716.64
7.3.00.0000.01016.75
7.2.330.0140.00416.47
7.2.320.0070.01016.59
7.2.310.0160.00416.56
7.2.300.0180.00616.55
7.2.290.0180.00416.33
7.2.240.0070.01014.91
7.2.230.0030.01015.05
7.2.220.0060.00314.95
7.2.210.0100.00314.90
7.2.200.0000.00914.89
7.2.190.0100.00614.75
7.2.180.0070.00714.86
7.2.170.0120.00314.95
7.2.160.0030.01115.04
7.2.150.0060.00816.75
7.2.140.0100.00316.60
7.2.130.0130.00316.72
7.2.120.0070.00716.84
7.2.110.0040.00816.54
7.2.100.0060.00816.75
7.2.90.0040.00716.67
7.2.80.0030.01316.62
7.2.70.0060.00816.80
7.2.60.0040.01116.73
7.2.50.0030.00616.77
7.2.40.0060.00916.79
7.2.30.0120.00316.72
7.2.20.0030.00916.73
7.2.10.0030.01316.81
7.2.00.0070.00518.00
7.1.330.0030.00815.68
7.1.320.0040.01115.66
7.1.310.0030.01315.66
7.1.300.0070.01015.54
7.1.290.0040.00815.54
7.1.280.0000.00815.62
7.1.270.0000.01515.52
7.1.260.0060.00915.75
7.1.250.0090.00915.95
7.1.100.0100.00018.05
7.1.70.0070.00017.18
7.1.60.0170.00719.25
7.1.50.0040.01816.66
7.1.00.0070.07322.31
7.0.200.0090.00616.77
7.0.140.0000.07721.97
7.0.60.0070.08019.98
7.0.50.0030.08317.90
7.0.40.0130.08020.12
7.0.30.0330.04020.09
7.0.20.0330.02720.17
7.0.10.0000.07019.99
7.0.00.0030.08720.17
5.6.280.0030.07320.80
5.6.210.0170.07020.47
5.6.200.0070.05018.24
5.6.190.0030.06320.41
5.6.180.0230.06720.63
5.6.170.0270.07720.50
5.6.160.0100.05320.59
5.6.150.0100.07318.15
5.6.140.0100.05018.19
5.6.130.0130.07718.12
5.6.120.0070.08321.03
5.6.110.0070.07021.00
5.6.100.0000.04320.88
5.6.90.0070.04321.11
5.6.80.0030.06720.37
5.6.70.0030.04020.49
5.5.350.0130.07320.37
5.5.340.0030.05017.91
5.5.330.0130.04720.40
5.5.320.0270.07720.17
5.5.310.0330.07320.33
5.5.300.0070.05017.88
5.5.290.0000.06017.90
5.5.280.0130.07320.87
5.5.270.0000.04720.77
5.5.260.0070.08720.86
5.5.250.0070.08320.58
5.5.240.0130.03320.27
5.4.450.0100.06719.25
5.4.440.0130.07019.32
5.4.430.0100.07319.11
5.4.420.0030.06019.50
5.4.410.0030.04319.38
5.4.400.0130.06318.81
5.4.390.0070.05019.12
5.4.380.0070.06319.18
5.4.370.0070.09018.79
5.4.360.0030.04019.12
5.4.350.0070.04318.79
5.4.340.0030.08319.18
5.4.320.0130.07319.12
5.4.310.0000.05719.15
5.4.300.0070.07019.08
5.4.290.0070.04719.18
5.4.280.0100.07718.78
5.4.270.0130.07019.14
5.4.260.0100.06318.80
5.4.250.0100.04718.80
5.4.240.0130.05319.13
5.4.230.0100.05718.93
5.4.220.0000.08019.13
5.4.210.0000.05719.08
5.4.200.0030.04019.19
5.4.190.0030.06319.16
5.4.180.0070.06718.90
5.4.170.0100.07019.14
5.4.160.0070.07719.11
5.4.150.0100.04319.15
5.4.140.0130.07316.25
5.4.130.0000.07316.20
5.4.120.0070.07316.45
5.4.110.0070.07316.25
5.4.100.0100.06716.29
5.4.90.0170.06016.29
5.4.80.0130.06316.39
5.4.70.0070.07016.22
5.4.60.0100.05716.12
5.4.50.0000.07016.34
5.4.40.0030.07716.25
5.4.30.0100.07716.36
5.4.20.0070.07316.38
5.4.10.0070.07016.27
5.4.00.0130.06715.67
5.3.290.0030.05014.64
5.3.280.0130.05314.53
5.3.270.0070.07714.52
5.3.260.0230.06014.53
5.3.250.0070.06714.53
5.3.240.0070.08014.58
5.3.230.0000.05314.53
5.3.220.0100.06314.38
5.3.210.0130.07014.49
5.3.200.0070.04714.51
5.3.190.0100.07314.54
5.3.180.0100.05714.64
5.3.170.0070.06714.55
5.3.160.0030.04014.48
5.3.150.0100.07314.48
5.3.140.0070.05014.47
5.3.130.0070.06314.47
5.3.120.0070.06314.33
5.3.110.0130.07714.44
5.3.100.0130.03713.97
5.3.90.0070.03713.95
5.3.80.0070.04713.85
5.3.70.0100.05013.95
5.3.60.0130.07014.02
5.3.50.0100.07013.88
5.3.40.0070.03313.87
5.3.30.0100.03013.85
5.3.20.0070.06713.63
5.3.10.0000.07013.59
5.3.00.0070.06013.56
5.2.170.0100.06010.99
5.2.160.0100.03011.08
5.2.150.0030.06311.15
5.2.140.0100.06011.13
5.2.130.0070.03310.95
5.2.120.0030.05011.00
5.2.110.0030.05311.03
5.2.100.0200.05311.09
5.2.90.0100.05711.07
5.2.80.0070.03711.02
5.2.70.0030.05711.08
5.2.60.0000.04310.98
5.2.50.0030.05710.95
5.2.40.0070.06010.81
5.2.30.0100.05710.85
5.2.20.0070.04010.90
5.2.10.0100.05710.75
5.2.00.0070.02710.76
5.1.60.0030.0579.98
5.1.50.0000.04310.00
5.1.40.0000.05010.05
5.1.30.0030.06010.35
5.1.20.0030.02710.50
5.1.10.0070.05310.04
5.1.00.0100.04310.08
5.0.50.0000.0238.69
5.0.40.0030.0338.55
5.0.30.0070.0638.21
5.0.20.0000.0378.18
5.0.10.0030.0378.21
5.0.00.0000.0478.13
4.4.90.0070.0277.66
4.4.80.0100.0237.66
4.4.70.0030.0377.66
4.4.60.0070.0337.66
4.4.50.0070.0207.66
4.4.40.0030.0507.66
4.4.30.0030.0207.66
4.4.20.0000.0307.66
4.4.10.0030.0177.66
4.4.00.0030.0337.66
4.3.110.0000.0407.66
4.3.100.0070.0337.66
4.3.90.0030.0377.66
4.3.80.0070.0277.66
4.3.70.0000.0307.66
4.3.60.0000.0237.66
4.3.50.0070.0277.66
4.3.40.0030.0277.66
4.3.30.0000.0277.66
4.3.20.0000.0237.66
4.3.10.0000.0177.66
4.3.00.0000.0177.66

preferences:
42.67 ms | 401 KiB | 5 Q