3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = ['someKey' => 'someValue']; echo $var['someKey']; $wasSet = isset($var['aKey']); echo $wasSet;

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)
8.3.60.0160.00618.05
8.3.50.0070.01016.47
8.3.40.0100.00718.55
8.3.30.0080.00818.59
8.3.20.0050.00220.07
8.3.10.0000.00823.50
8.3.00.0040.00421.96
8.2.180.0070.01416.75
8.2.170.0140.00022.96
8.2.160.0030.01419.21
8.2.150.0040.00424.18
8.2.140.0100.00024.66
8.2.130.0040.00421.03
8.2.120.0040.00426.35
8.2.110.0060.00322.25
8.2.100.0060.00617.84
8.2.90.0040.00419.17
8.2.80.0000.00918.05
8.2.70.0080.00017.63
8.2.60.0040.00418.05
8.2.50.0040.00418.10
8.2.40.0000.00820.55
8.2.30.0030.00621.11
8.2.20.0040.00418.09
8.2.10.0070.00018.11
8.2.00.0040.00418.09
8.1.280.0070.01425.92
8.1.270.0040.00422.18
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0040.00420.98
8.1.230.0070.00417.86
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00517.10
8.1.180.0000.00918.10
8.1.170.0080.00018.59
8.1.160.0000.00818.93
8.1.150.0050.00218.88
8.1.140.0040.00419.49
8.1.130.0030.00318.87
8.1.120.0030.00617.39
8.1.110.0040.00417.31
8.1.100.0040.00417.41
8.1.90.0030.00317.28
8.1.80.0000.00717.39
8.1.70.0000.00717.44
8.1.60.0050.00317.43
8.1.50.0040.00417.34
8.1.40.0060.00317.39
8.1.30.0030.00617.41
8.1.20.0000.00717.53
8.1.10.0040.00417.46
8.1.00.0000.00817.39
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.46
8.0.270.0000.00717.22
8.0.260.0000.00816.84
8.0.250.0070.00016.86
8.0.240.0050.00516.96
8.0.230.0030.00316.85
8.0.220.0000.00716.86
8.0.210.0000.00716.69
8.0.200.0000.00716.87
8.0.190.0030.00616.89
8.0.180.0040.00416.86
8.0.170.0030.00316.83
8.0.160.0030.00416.75
8.0.150.0000.00716.85
8.0.140.0000.00816.73
8.0.130.0030.00313.29
8.0.120.0050.00316.80
8.0.110.0000.00716.88
8.0.100.0050.00316.88
8.0.90.0000.00716.93
8.0.80.0070.00716.79
8.0.70.0040.00416.61
8.0.60.0040.00416.71
8.0.50.0000.00716.81
8.0.30.0100.00617.00
8.0.20.0140.00617.40
8.0.10.0050.00316.98
8.0.00.0100.00716.67
7.4.330.0000.00515.55
7.4.320.0000.00716.35
7.4.300.0030.00316.45
7.4.290.0050.00316.53
7.4.280.0030.00616.45
7.4.270.0000.00716.45
7.4.260.0050.00316.43
7.4.250.0070.00016.30
7.4.240.0030.00316.41
7.4.230.0040.00416.34
7.4.220.0060.01216.42
7.4.210.0060.00916.64
7.4.200.0040.00416.27
7.4.160.0100.00816.38
7.4.150.0140.00317.40
7.4.140.0140.00717.86
7.4.130.0120.01216.47
7.4.120.0080.01016.43
7.4.110.0080.01016.41
7.4.100.0220.01916.49
7.4.90.0050.01416.43
7.4.80.0120.00619.39
7.4.70.0070.01016.38
7.4.60.0160.00616.31
7.4.50.0060.01016.44
7.4.40.0030.01316.49
7.4.30.0090.00916.66
7.4.10.0130.00714.92
7.4.00.0100.00614.97
7.3.330.0060.00013.01
7.3.320.0050.00013.09
7.3.310.0000.00716.22
7.3.300.0030.00316.24
7.3.290.0050.00916.27
7.3.280.0110.00516.22
7.3.270.0030.01317.40
7.3.260.0100.00916.35
7.3.250.0080.01116.44
7.3.240.0080.01316.27
7.3.230.0100.00916.39
7.3.210.0030.01316.35
7.3.200.0120.00416.69
7.3.190.0090.00616.67
7.3.180.0150.00416.63
7.3.170.0070.01016.38
7.3.160.0060.01016.55
7.3.130.0060.00914.73
7.3.120.0070.01214.85
7.3.110.0080.01014.88
7.3.100.0080.00715.10
7.3.90.0050.00814.87
7.3.80.0020.01214.79
7.3.70.0090.00514.74
7.3.60.0040.00914.86
7.3.50.0000.00914.92
7.3.40.0050.00814.83
7.3.30.0060.00614.86
7.3.20.0030.00916.53
7.3.10.0090.00516.77
7.3.00.0050.00716.79
7.2.330.0100.00616.64
7.2.320.0200.02416.57
7.2.310.0060.01116.73
7.2.300.0040.01316.37
7.2.290.0250.00416.71
7.2.260.0000.01614.97
7.2.250.0030.01115.05
7.2.240.0070.00714.79
7.2.230.0090.00615.17
7.2.220.0080.00614.99
7.2.210.0070.00714.85
7.2.200.0070.00714.92
7.2.190.0070.00415.03
7.2.180.0050.01014.84
7.2.170.0070.00814.96
7.2.160.0070.00714.82
7.2.150.0030.01217.06
7.2.140.0030.01416.96
7.2.130.0090.00616.79
7.2.120.0030.00916.99
7.2.110.0030.00816.99
7.2.100.0050.00816.81
7.2.90.0070.00516.80
7.2.80.0070.00616.68
7.2.70.0050.01016.84
7.2.60.0070.00716.75
7.2.50.0050.01016.83
7.2.40.0000.01216.77
7.2.30.0070.00716.88
7.2.20.0050.01016.86
7.2.10.0020.01116.89
7.2.00.0090.00717.64
7.1.330.0030.01415.80
7.1.320.0090.00615.68
7.1.310.0100.00615.82
7.1.300.0030.01115.55
7.1.290.0090.00315.75
7.1.280.0010.00915.46
7.1.270.0030.00815.83
7.1.260.0040.00815.77
7.1.250.0030.00715.72
7.1.240.0060.00715.75
7.1.230.0020.00815.81
7.1.220.0030.00715.76
7.1.210.0060.00515.71
7.1.200.0050.00815.78
7.1.190.0060.00315.76
7.1.180.0020.00915.75
7.1.170.0080.00515.64
7.1.160.0060.00615.56
7.1.150.0070.00315.79
7.1.140.0060.00915.81
7.1.130.0040.00815.65
7.1.120.0020.01115.78
7.1.110.0030.00915.85
7.1.100.0040.00816.45
7.1.90.0050.00415.71
7.1.80.0030.01115.85
7.1.70.0060.00716.24
7.1.60.0060.01222.08
7.1.50.0130.00722.06
7.1.40.0120.00521.85
7.1.30.0100.00821.92
7.1.20.0100.00921.76
7.1.10.0060.00815.94
7.1.00.0060.00915.98
7.0.330.0040.00715.25
7.0.320.0030.00915.19
7.0.310.0030.00915.37
7.0.300.0020.01015.26
7.0.290.0080.00315.21
7.0.280.0040.00715.39
7.0.270.0050.00515.34
7.0.260.0070.00515.28
7.0.250.0020.00715.35
7.0.240.0090.00315.28
7.0.230.0030.00815.29
7.0.220.0030.00815.32
7.0.210.0080.00815.42
7.0.200.0060.00415.72
7.0.190.0030.01115.80
7.0.180.0080.00415.60
7.0.170.0060.00915.67
7.0.160.0050.01015.67
7.0.150.0030.01015.59
7.0.140.0030.00915.66
7.0.130.0080.00715.67
7.0.120.0060.00715.58
7.0.110.0080.00615.67
7.0.100.0020.01315.65
7.0.90.0040.01115.75
7.0.80.0070.00815.72
7.0.70.0050.00815.64
7.0.60.0050.00715.60
7.0.50.0090.00315.70
7.0.40.0010.01314.40
7.0.30.0050.00814.38
7.0.20.0090.00714.33
7.0.10.0040.00814.46
7.0.00.0050.00814.37
5.6.400.0090.00014.24
5.6.390.0110.00414.58
5.6.380.0040.00614.40
5.6.370.0150.00014.08
5.6.360.0000.01314.34
5.6.350.0070.01014.02
5.6.340.0030.01014.38
5.6.330.0090.00614.52
5.6.320.0060.00614.29
5.6.310.0000.01114.46
5.6.300.0070.00714.46
5.6.290.0040.01014.38
5.6.280.0090.00414.50
5.6.270.0080.00414.36
5.6.260.0030.00614.33
5.6.250.0030.01314.27
5.6.240.0000.01614.36
5.6.230.0000.01014.44
5.6.220.0000.01314.44
5.6.210.0000.01114.19
5.6.200.0030.01214.32
5.6.190.0060.00914.13
5.6.180.0030.01414.19
5.6.170.0080.00414.55
5.6.160.0030.01014.32
5.6.150.0050.00314.22
5.6.140.0030.01014.29
5.6.130.0090.00614.48
5.6.120.0090.00614.34
5.6.110.0100.00714.29
5.6.100.0070.01014.34
5.6.90.0060.00914.21
5.6.80.0120.00614.35
5.6.70.0070.00714.15
5.6.60.0130.00014.26
5.6.50.0100.00314.34
5.6.40.0040.00714.13
5.6.30.0030.01014.00
5.6.20.0070.01014.38
5.6.10.0090.00013.98
5.6.00.0070.00314.33

preferences:
56.03 ms | 401 KiB | 5 Q