3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = array(1,2,3,4,2,3); $keys = array_keys($v, '2'); print_r($keys);

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)
8.3.60.0160.00616.63
8.3.50.0120.00318.30
8.3.40.0110.00718.54
8.3.30.0070.00718.63
8.3.20.0000.00821.63
8.3.10.0000.00821.60
8.3.00.0080.00019.67
8.2.180.0110.01118.13
8.2.170.0060.00922.96
8.2.160.0070.00720.39
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0070.00020.35
8.2.120.0000.00726.35
8.2.110.0060.00319.31
8.2.100.0070.00417.84
8.2.90.0030.00619.23
8.2.80.0040.00417.97
8.2.70.0030.00517.38
8.2.60.0000.00817.80
8.2.50.0080.00018.10
8.2.40.0060.00320.63
8.2.30.0050.00319.23
8.2.20.0040.00417.89
8.2.10.0030.00618.10
8.2.00.0070.00017.98
8.1.280.0120.00325.92
8.1.270.0060.00320.64
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00719.07
8.1.230.0110.00019.12
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0040.00417.23
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0060.00318.34
8.1.160.0000.00718.96
8.1.150.0000.00820.61
8.1.140.0000.00719.55
8.1.130.0050.00218.81
8.1.120.0000.00717.38
8.1.110.0000.00817.28
8.1.100.0050.00317.38
8.1.90.0080.00017.31
8.1.80.0000.00717.39
8.1.70.0030.00317.44
8.1.60.0060.00317.34
8.1.50.0000.00717.51
8.1.40.0030.00517.35
8.1.30.0040.00417.58
8.1.20.0000.00717.62
8.1.10.0040.00417.45
8.1.00.0070.00017.23
8.0.300.0030.00519.82
8.0.290.0000.00716.63
8.0.280.0070.00018.37
8.0.270.0000.00816.74
8.0.260.0080.00317.17
8.0.250.0030.00316.76
8.0.240.0040.00416.87
8.0.230.0000.00716.91
8.0.220.0030.00316.69
8.0.210.0030.00316.77
8.0.200.0030.00316.89
8.0.190.0050.00216.85
8.0.180.0040.00416.75
8.0.170.0040.00416.85
8.0.160.0030.00616.71
8.0.150.0080.00016.76
8.0.140.0000.00816.63
8.0.130.0060.00013.20
8.0.120.0040.00416.84
8.0.110.0040.00416.86
8.0.100.0050.00216.64
8.0.90.0070.00016.88
8.0.80.0120.00316.70
8.0.70.0030.00616.75
8.0.60.0050.00316.88
8.0.50.0070.00016.79
8.0.30.0110.00716.97
8.0.20.0100.01017.40
8.0.10.0080.00016.77
8.0.00.0080.01116.69
7.4.330.0050.00015.55
7.4.320.0070.00016.34
7.4.300.0000.00616.47
7.4.290.0000.00716.34
7.4.280.0040.00416.56
7.4.270.0040.00416.53
7.4.260.0000.00716.36
7.4.250.0000.00716.31
7.4.240.0030.00416.43
7.4.230.0000.00816.62
7.4.220.0080.01016.53
7.4.210.0070.00716.35
7.4.200.0000.00716.50
7.4.150.0150.00617.40
7.4.140.0170.00417.86
7.4.130.0080.01116.38
7.4.120.0140.00716.39
7.4.110.0100.01016.51
7.4.100.0070.01016.34
7.4.90.0120.00616.52
7.4.80.0120.00619.39
7.4.70.0100.01016.43
7.4.60.0120.00316.42
7.4.50.0100.00016.45
7.4.40.0070.01316.49
7.4.30.0070.01116.52
7.4.10.0070.01014.72
7.4.00.0060.00914.68
7.3.330.0050.00013.11
7.3.320.0020.00213.05
7.3.310.0040.00416.12
7.3.300.0030.00316.00
7.3.290.0070.00816.15
7.3.280.0110.00716.12
7.3.270.0130.00317.40
7.3.260.0100.00716.28
7.3.250.0110.00716.30
7.3.240.0100.00916.17
7.3.230.0100.00716.50
7.3.210.0230.01316.32
7.3.200.0120.00616.12
7.3.190.0040.01616.36
7.3.180.0100.00516.35
7.3.170.0080.00816.53
7.3.160.0090.00616.02
7.3.130.0090.00914.47
7.3.120.0140.00314.34
7.3.110.0070.00714.64
7.3.100.0090.00314.68
7.3.90.0000.01014.63
7.3.80.0060.00614.61
7.3.70.0000.01414.65
7.3.60.0060.00314.82
7.3.50.0000.00914.87
7.3.40.0100.00614.35
7.3.30.0030.00814.86
7.3.20.0100.00316.65
7.3.10.0110.00616.23
7.3.00.0090.00316.46
7.2.330.0110.00616.40
7.2.320.0130.00316.64
7.2.310.0080.00816.41
7.2.300.0070.01016.54
7.2.290.0060.00916.64
7.2.260.0100.00615.13
7.2.250.0070.01014.75
7.2.240.0070.01014.89
7.2.230.0080.00814.73
7.2.220.0080.00814.92
7.2.210.0070.00714.74
7.2.200.0070.00714.93
7.2.190.0100.00015.02
7.2.180.0070.00714.98
7.2.170.0000.01514.77
7.2.160.0030.00814.98
7.2.150.0110.00316.85
7.2.140.0090.00016.93
7.2.130.0040.01116.92
7.2.120.0030.00716.92
7.2.110.0070.01016.76
7.2.100.0040.01116.88
7.2.90.0100.00316.84
7.2.80.0040.00716.84
7.2.70.0100.00316.68
7.2.60.0070.00816.86
7.2.50.0030.01016.52
7.2.40.0060.01016.79
7.2.30.0060.01016.76
7.2.20.0000.00916.54
7.2.10.0110.00316.57
7.2.00.0000.01716.75
7.1.330.0060.00715.59
7.1.320.0000.01415.58
7.1.310.0090.00615.58
7.1.300.0000.01215.57
7.1.290.0060.00715.76
7.1.280.0090.00315.52
7.1.270.0080.00015.75
7.1.260.0070.00715.76
7.1.250.0100.00315.52
7.1.240.0030.01315.62
7.1.230.0060.00315.81
7.1.220.0090.00615.82
7.1.210.0000.01615.70
7.1.200.0060.00615.72
7.1.190.0100.00315.87
7.1.180.0030.00715.50
7.1.170.0040.01115.86
7.1.160.0060.00915.63
7.1.150.0030.01015.89
7.1.140.0030.01215.75
7.1.130.0030.00615.86
7.1.120.0140.00015.72
7.1.110.0070.00715.71
7.1.100.0060.00615.34
7.1.90.0080.00315.54
7.1.80.0000.01415.79
7.1.70.0060.00416.29
7.1.60.0490.01024.38
7.1.50.0430.01124.32
7.1.40.0420.01224.04
7.1.30.0550.01524.14
7.1.20.0790.01224.22
7.1.10.0400.01015.23
7.1.00.0500.00315.21
7.0.330.0060.00615.29
7.0.320.0100.00315.34
7.0.310.0070.00715.59
7.0.300.0050.00315.17
7.0.290.0000.01315.13
7.0.280.0080.00615.27
7.0.270.0030.01015.43
7.0.260.0100.00315.29
7.0.250.0060.00915.48
7.0.240.0100.00015.25
7.0.230.0030.00715.44
7.0.220.0000.01415.31
7.0.210.0090.00315.16
7.0.200.0450.01014.95
7.0.190.0740.00315.10
7.0.180.0450.00514.88
7.0.170.1030.01214.79
7.0.160.0700.01114.74
7.0.150.0400.00914.95
7.0.140.0550.00715.04
7.0.130.0450.01314.98
7.0.120.0620.00814.95
7.0.110.0600.00914.91
7.0.100.0500.00815.03
7.0.90.0470.01314.98
7.0.80.0530.00614.92
7.0.70.0450.01115.00
7.0.60.0530.00814.77
7.0.50.0540.00215.05
7.0.40.0550.00713.95
7.0.30.0430.01013.98
7.0.20.0450.00813.95
7.0.10.0460.00914.04
7.0.00.0430.00913.92
5.6.400.0030.01014.23
5.6.390.0040.00714.30
5.6.380.0040.00414.11
5.6.370.0040.00814.32
5.6.360.0040.01114.00
5.6.350.0030.00914.22
5.6.340.0040.00714.16
5.6.330.0040.00814.31
5.6.320.0040.00413.98
5.6.310.0030.00914.24
5.6.300.0000.01314.29
5.6.290.0070.00714.37
5.6.280.0000.01014.43
5.6.270.0070.01014.50
5.6.260.0080.00414.04
5.6.250.0030.00914.24
5.6.240.0000.01414.57
5.6.230.0070.00714.12
5.6.220.0030.01014.03
5.6.210.0080.00614.41
5.6.200.0050.00414.03
5.6.190.0070.00414.47
5.6.180.0070.00714.41
5.6.170.0080.00614.09
5.6.160.0060.00614.18
5.6.150.0070.00714.06
5.6.140.0110.00314.24
5.6.130.0090.00014.24
5.6.120.0000.01714.14
5.6.110.0030.00614.32
5.6.100.0040.00414.41
5.6.90.0060.00914.15
5.6.80.0090.00314.36
5.6.70.0140.00014.08
5.6.60.0030.00914.07
5.6.50.0100.00314.14
5.6.40.0070.00314.15
5.6.30.0070.00414.07
5.6.20.0000.01214.00
5.6.10.0060.01014.02
5.6.00.0060.00313.93

preferences:
59.35 ms | 401 KiB | 5 Q