3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 1 => 'dfdfdf', 2 => 'fsdfsdf' ); echo array_key_exists('a1a', $a) ? 1 : 0;

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)
8.3.60.0120.00318.55
8.3.50.0100.00316.49
8.3.40.0070.00718.63
8.3.30.0070.00718.77
8.3.20.0040.00420.10
8.3.10.0040.00421.90
8.3.00.0000.00820.70
8.2.180.0130.00718.29
8.2.170.0040.01122.96
8.2.160.0070.00720.37
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00422.20
8.2.120.0040.00426.35
8.2.110.0040.00420.47
8.2.100.0070.00417.91
8.2.90.0050.00319.11
8.2.80.0080.00018.03
8.2.70.0050.00317.63
8.2.60.0000.00718.05
8.2.50.0000.00818.10
8.2.40.0050.00322.17
8.2.30.0000.00821.16
8.2.20.0040.00418.02
8.2.10.0040.00418.05
8.2.00.0030.00617.88
8.1.280.0070.00725.92
8.1.270.0090.00022.20
8.1.260.0080.00026.35
8.1.250.0070.00728.09
8.1.240.0070.01020.84
8.1.230.0080.00318.96
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0050.00317.22
8.1.180.0000.00718.10
8.1.170.0000.00818.59
8.1.160.0040.00419.02
8.1.150.0000.00820.55
8.1.140.0030.00619.49
8.1.130.0070.00018.76
8.1.120.0060.00317.39
8.1.110.0030.00517.41
8.1.100.0050.00317.41
8.1.90.0000.00817.32
8.1.80.0040.00417.35
8.1.70.0070.00017.38
8.1.60.0030.00517.42
8.1.50.0000.00817.50
8.1.40.0040.00417.45
8.1.30.0040.00417.55
8.1.20.0000.00717.52
8.1.10.0040.00417.47
8.1.00.0000.00717.52
8.0.300.0000.00818.77
8.0.290.0080.00016.75
8.0.280.0030.00318.55
8.0.270.0070.00017.26
8.0.260.0040.00416.80
8.0.250.0000.00616.97
8.0.240.0000.00716.86
8.0.230.0030.00316.89
8.0.220.0030.00316.79
8.0.210.0000.00716.68
8.0.200.0000.00716.87
8.0.190.0030.00616.80
8.0.180.0100.00016.87
8.0.170.0040.00416.80
8.0.160.0050.00316.78
8.0.150.0060.00316.68
8.0.140.0000.00716.80
8.0.130.0000.00713.23
8.0.120.0100.00016.70
8.0.110.0070.00016.80
8.0.100.0000.00716.81
8.0.90.0070.00016.95
8.0.80.0030.01316.86
8.0.70.0040.00416.76
8.0.60.0050.00316.73
8.0.50.0000.00816.66
8.0.30.0140.00417.01
8.0.20.0110.00817.40
8.0.10.0040.00416.94
8.0.00.0130.00316.80
7.4.330.0060.00015.55
7.4.320.0000.00616.60
7.4.300.0000.00716.49
7.4.290.0000.00716.46
7.4.280.0040.00416.44
7.4.270.0030.00316.59
7.4.260.0030.00316.39
7.4.250.0040.00416.57
7.4.240.0070.00016.50
7.4.230.0070.00016.48
7.4.220.0130.01316.63
7.4.210.0090.00616.46
7.4.200.0040.00416.41
7.4.160.0110.00816.34
7.4.150.0120.00617.40
7.4.140.0060.01117.86
7.4.130.0070.01416.51
7.4.120.0090.01016.46
7.4.110.0040.01416.55
7.4.100.0100.01116.33
7.4.90.0070.01016.31
7.4.80.0110.00619.39
7.4.70.0080.00816.32
7.4.60.0060.01016.63
7.4.50.0060.00316.29
7.4.40.0080.00816.25
7.4.30.0030.01316.59
7.4.10.0060.01214.73
7.4.00.0080.00814.81
7.3.330.0030.00313.06
7.3.320.0000.00512.87
7.3.310.0030.00315.94
7.3.300.0030.00316.13
7.3.290.0060.00916.14
7.3.280.0090.00816.11
7.3.270.0090.00917.40
7.3.260.0080.00916.28
7.3.250.0070.01316.37
7.3.240.0080.01016.31
7.3.230.0110.00616.21
7.3.210.0070.01016.47
7.3.200.0080.00816.33
7.3.190.0030.01216.21
7.3.180.0160.00016.38
7.3.170.0030.01216.15
7.3.160.0130.00316.33
7.3.130.0000.01514.96
7.3.120.0080.01014.91
7.3.110.0050.01214.67
7.3.100.0080.00714.71
7.3.90.0090.00514.70
7.3.80.0050.01014.96
7.3.70.0020.00914.48
7.3.60.0020.01214.74
7.3.50.0070.00814.83
7.3.40.0070.00414.61
7.3.30.0050.00714.47
7.3.20.0050.01116.62
7.3.10.0070.00316.53
7.3.00.0080.00316.42
7.2.330.0140.00316.60
7.2.320.0090.00916.56
7.2.310.0130.00316.52
7.2.300.0060.01016.64
7.2.290.0030.01816.28
7.2.260.0090.00615.05
7.2.250.0050.01314.89
7.2.240.0110.00614.72
7.2.230.0080.00814.96
7.2.220.0060.00614.95
7.2.210.0110.00514.98
7.2.200.0040.01015.11
7.2.190.0020.01214.80
7.2.180.0020.01314.73
7.2.170.0020.01114.77
7.2.160.0070.01314.98
7.2.150.0060.00616.78
7.2.140.0040.00416.48
7.2.130.0130.00016.71
7.2.120.0070.00716.81
7.2.110.0110.00716.59
7.2.100.0000.00916.50
7.2.90.0090.00616.79
7.2.80.0080.00616.83
7.2.70.0000.01216.84
7.2.60.0090.00516.82
7.2.50.0040.00516.75
7.2.40.0030.01516.96
7.2.30.0090.00916.91
7.2.20.0030.01016.64
7.2.10.0030.01416.88
7.2.00.0080.00817.98
7.1.330.0090.00515.78
7.1.320.0030.00815.66
7.1.310.0050.00815.76
7.1.300.0080.00615.57
7.1.290.0070.00615.81
7.1.280.0000.01315.77
7.1.270.0040.01115.83
7.1.260.0070.00315.75
7.1.250.0030.01315.71
7.1.240.0030.01215.55
7.1.230.0100.00615.82
7.1.220.0030.00715.86
7.1.210.0100.00715.75
7.1.200.0020.00815.88
7.1.190.0030.01315.59
7.1.180.0120.00315.70
7.1.170.0030.01015.86
7.1.160.0000.01515.82
7.1.150.0030.00615.81
7.1.140.0070.01015.66
7.1.130.0070.00715.56
7.1.120.0070.00715.68
7.1.110.0060.01115.70
7.1.100.0070.00616.98
7.1.90.0040.00815.61
7.1.80.0110.00415.82
7.1.70.0070.00716.58
7.1.60.0290.01224.34
7.1.50.0220.01424.15
7.1.40.0250.01124.05
7.1.30.0270.00824.08
7.1.20.0230.01124.14
7.1.10.0210.00515.24
7.1.00.0590.00515.12
7.0.330.0040.01415.35
7.0.320.0070.00715.36
7.0.310.0100.00015.14
7.0.300.0000.01515.20
7.0.290.0060.00615.35
7.0.280.0060.00615.21
7.0.270.0070.00715.29
7.0.260.0030.00915.09
7.0.250.0000.01115.33
7.0.240.0040.00815.50
7.0.230.0060.00915.42
7.0.220.0070.00715.34
7.0.210.0070.00715.17
7.0.200.0150.01215.03
7.0.190.0200.00815.15
7.0.180.0170.00814.71
7.0.170.0200.00714.83
7.0.160.0170.00915.06
7.0.150.0230.00714.86
7.0.140.0210.00614.88
7.0.130.0190.01115.07
7.0.120.0170.00915.08
7.0.110.0190.00714.87
7.0.100.0160.00614.80
7.0.90.0200.00314.87
7.0.80.0220.00314.96
7.0.70.0190.01014.77
7.0.60.0180.00814.82
7.0.50.0300.01015.00
7.0.40.0170.00914.07
7.0.30.0200.00613.92
7.0.20.0210.00513.94
7.0.10.0200.01013.80
7.0.00.0190.00613.84
5.6.400.0070.00714.68
5.6.390.0000.01014.26
5.6.380.0090.00614.50
5.6.370.0030.01114.34
5.6.360.0030.01014.48
5.6.350.0070.01014.41
5.6.340.0100.00714.48
5.6.330.0070.00714.71
5.6.320.0070.00714.05
5.6.310.0120.00314.16
5.6.300.0000.01114.13
5.6.290.0070.01013.89
5.6.280.0060.00314.14
5.6.270.0060.00614.35
5.6.260.0110.00414.42
5.6.250.0030.00914.31
5.6.240.0030.01314.13
5.6.230.0070.00714.29
5.6.220.0040.00714.34
5.6.210.0110.00414.30
5.6.200.0100.00314.09
5.6.190.0030.01014.17
5.6.180.0060.00614.42
5.6.170.0060.00914.34
5.6.160.0040.00814.05
5.6.150.0070.01114.27
5.6.140.0080.00514.09
5.6.130.0040.01014.23
5.6.120.0110.00814.27
5.6.110.0060.00614.16
5.6.100.0030.00714.08
5.6.90.0070.00714.37
5.6.80.0030.00914.04
5.6.70.0030.00614.17
5.6.60.0060.00614.04
5.6.50.0030.00914.18
5.6.40.0070.00714.25
5.6.30.0100.00714.42
5.6.20.0090.00914.38
5.6.10.0030.01314.09
5.6.00.0060.01014.16

preferences:
44.02 ms | 401 KiB | 5 Q