3v4l.org

run code in 300+ PHP versions simultaneously
<?php $age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43", 'Blow' => array('Job'=>666)); print_r(array_change_key_case($age,CASE_LOWER)); ?>

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)
8.3.60.0130.00616.50
8.3.50.0040.01317.90
8.3.40.0110.00318.77
8.3.30.0060.00918.96
8.3.20.0000.00720.20
8.3.10.0080.00023.56
8.3.00.0000.00820.82
8.2.180.0060.00916.32
8.2.170.0090.00622.96
8.2.160.0070.01020.47
8.2.150.0040.00424.18
8.2.140.0020.00524.66
8.2.130.0000.00726.16
8.2.120.0040.00420.79
8.2.110.0060.00320.35
8.2.100.0090.00317.72
8.2.90.0040.00418.03
8.2.80.0030.00517.97
8.2.70.0030.00717.50
8.2.60.0070.00317.93
8.2.50.0050.00318.07
8.2.40.0040.00419.76
8.2.30.0070.00018.21
8.2.20.0000.00717.53
8.2.10.0050.00318.10
8.2.00.0040.00417.61
8.1.270.0120.00323.90
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.20
8.1.230.0090.00320.89
8.1.220.0000.00817.74
8.1.210.0040.00418.85
8.1.200.0030.00617.22
8.1.190.0000.00817.11
8.1.180.0070.00318.10
8.1.170.0050.00318.57
8.1.160.0050.00321.95
8.1.150.0070.00018.56
8.1.140.0040.00417.38
8.1.130.0030.00317.87
8.1.120.0030.00317.46
8.1.110.0000.00717.28
8.1.100.0000.00717.39
8.1.90.0000.00717.26
8.1.80.0030.00517.39
8.1.70.0000.00717.32
8.1.60.0040.00417.54
8.1.50.0040.00417.30
8.1.40.0040.00417.34
8.1.30.0030.00717.57
8.1.20.0000.00817.56
8.1.10.0000.00717.41
8.1.00.0040.00417.38
8.0.300.0000.00720.16
8.0.290.0070.00017.09
8.0.280.0030.00318.38
8.0.270.0030.00317.06
8.0.260.0000.00617.13
8.0.250.0000.00716.93
8.0.240.0080.00016.95
8.0.230.0070.00016.75
8.0.220.0000.00816.89
8.0.210.0000.00716.88
8.0.200.0030.00316.91
8.0.190.0040.00416.89
8.0.180.0000.00816.82
8.0.170.0040.00416.75
8.0.160.0080.00016.89
8.0.150.0060.00316.68
8.0.140.0000.00716.77
8.0.130.0000.00513.22
8.0.120.0050.00316.74
8.0.110.0040.00416.85
8.0.100.0100.00016.84
8.0.90.0070.00016.61
8.0.80.0070.01016.77
8.0.70.0000.00816.86
8.0.60.0070.00016.71
8.0.50.0000.00716.78
8.0.30.0140.00816.97
8.0.20.0080.01117.40
8.0.10.0040.00417.05
8.0.00.0090.00916.86
7.4.330.0040.00015.00
7.4.320.0000.00616.43
7.4.300.0030.00316.45
7.4.290.0030.00316.36
7.4.280.0050.00316.43
7.4.270.0050.00216.47
7.4.260.0090.00016.44
7.4.250.0050.00216.48
7.4.240.0030.00316.50
7.4.230.0070.00016.38
7.4.220.0090.00916.48
7.4.210.0090.00816.45
7.4.200.0000.00816.51
7.4.190.0000.00716.35
7.4.160.0070.00716.29
7.4.150.0110.00717.40
7.4.140.0080.00817.86
7.4.130.0070.01016.46
7.4.120.0130.00316.35
7.4.110.0070.01016.30
7.4.100.0060.01416.41
7.4.90.0120.00616.44
7.4.80.0100.01119.39
7.4.70.0030.01316.44
7.4.60.0100.00716.30
7.4.50.0000.00416.54
7.4.40.0030.01316.46
7.4.30.0120.00416.39
7.4.10.0040.01515.10
7.4.00.0080.01014.88
7.3.330.0030.00313.09
7.3.320.0030.00312.86
7.3.310.0000.00716.20
7.3.300.0030.00316.02
7.3.290.0040.01116.13
7.3.280.0120.00716.11
7.3.270.0160.00017.40
7.3.260.0070.01016.21
7.3.250.0070.01116.24
7.3.240.0120.00616.29
7.3.230.0130.01016.39
7.3.210.0070.01016.36
7.3.200.0160.00319.39
7.3.190.0150.00616.33
7.3.180.0030.01716.14
7.3.170.0060.00916.27
7.3.160.0090.00616.02
7.3.130.0100.01014.93
7.3.120.0040.01214.54
7.3.110.0110.01114.64
7.3.100.0110.00314.52
7.3.90.0100.00714.61
7.3.80.0070.00314.70
7.3.70.0040.01114.42
7.3.60.0040.01214.61
7.3.50.0060.00314.84
7.3.40.0130.00314.32
7.3.30.0100.00314.68
7.3.20.0100.00316.39
7.3.10.0000.01516.47
7.3.00.0030.01016.56
7.2.330.0070.01016.24
7.2.320.0090.01516.23
7.2.310.0070.01416.37
7.2.300.0140.00816.50
7.2.290.0160.00616.41
7.2.260.0130.00714.89
7.2.250.0030.01614.98
7.2.240.0070.01115.07
7.2.230.0060.01014.89
7.2.220.0110.00714.89
7.2.210.0110.00314.80
7.2.200.0130.00314.58
7.2.190.0090.00614.88
7.2.180.0000.01114.75
7.2.170.0060.01114.96
7.2.160.0110.00014.66
7.2.150.0090.00016.68
7.2.140.0030.00916.69
7.2.130.0070.01016.67
7.2.120.0090.00916.51
7.2.110.0100.00316.80
7.2.100.0030.01016.81
7.2.90.0060.00916.74
7.2.80.0080.00816.80
7.2.70.0040.00716.78
7.2.60.0040.01116.75
7.2.50.0030.00916.79
7.2.40.0030.00616.75
7.2.30.0000.00916.50
7.2.20.0070.01116.55
7.2.10.0070.01016.61
7.2.00.0030.01017.90
7.1.330.0080.00415.73
7.1.320.0100.00715.52
7.1.310.0070.00715.65
7.1.300.0040.01115.76
7.1.290.0060.00615.50
7.1.280.0080.00815.38
7.1.270.0070.00415.68
7.1.260.0030.01115.76
7.1.250.0070.01015.66
7.1.240.0060.00315.79
7.1.230.0030.00815.77
7.1.220.0030.00715.85
7.1.210.0040.00715.58
7.1.200.0130.00015.84
7.1.190.0130.00015.54
7.1.180.0000.01615.75
7.1.170.0000.01515.78
7.1.160.0060.00615.62
7.1.150.0060.00315.67
7.1.140.0130.00315.66
7.1.130.0040.00815.86
7.1.120.0040.00715.51
7.1.110.0100.00615.46
7.1.100.0080.00716.70
7.1.90.0090.00615.73
7.1.80.0000.01415.70
7.1.70.0020.00716.34
7.1.60.0070.01017.69
7.1.50.0060.00816.33
7.1.40.0030.00915.85
7.1.30.0060.00315.76
7.1.20.0000.01215.75
7.1.10.0070.01015.82
7.1.00.0070.03819.00
7.0.330.0110.00415.23
7.0.320.0080.00415.27
7.0.310.0060.00315.40
7.0.300.0060.00315.30
7.0.290.0110.00015.48
7.0.280.0030.01015.13
7.0.270.0070.00715.36
7.0.260.0100.00315.32
7.0.250.0120.00315.11
7.0.240.0060.00615.14
7.0.230.0000.01415.38
7.0.220.0030.01015.34
7.0.210.0030.00815.43
7.0.200.0050.00716.07
7.0.190.0000.01415.21
7.0.180.0050.00515.32
7.0.170.0110.00315.38
7.0.160.0100.00315.44
7.0.150.0060.01215.38
7.0.140.0040.04018.79
7.0.130.0100.00315.28
7.0.120.0060.00615.21
7.0.110.0000.01415.32
7.0.100.0060.00615.47
7.0.90.0040.00715.38
7.0.80.0060.00615.25
7.0.70.0030.00915.30
7.0.60.0030.04317.72
7.0.50.0030.04616.61
7.0.40.0080.04416.81
7.0.30.0130.02516.80
7.0.20.0080.02516.83
7.0.10.0140.02516.83
7.0.00.0090.02116.68
5.6.400.0040.00814.14
5.6.390.0100.00714.50
5.6.380.0060.00914.07
5.6.370.0060.00614.22
5.6.360.0120.00314.39
5.6.350.0070.00714.11
5.6.340.0030.00713.89
5.6.330.0060.01213.84
5.6.320.0100.00714.53
5.6.310.0050.00313.98
5.6.300.0070.00314.16
5.6.290.0030.01014.58
5.6.280.0050.04017.70
5.6.270.0050.00514.23
5.6.260.0100.00314.46
5.6.250.0130.00014.10
5.6.240.0040.00814.07
5.6.230.0060.00614.20
5.6.220.0040.01114.28
5.6.210.0050.02317.36
5.6.200.0050.03616.22
5.6.190.0050.02917.30
5.6.180.2020.03217.43
5.6.170.0150.03817.35
5.6.160.0070.04217.30
5.6.150.0030.04416.13
5.6.140.0090.02016.26
5.6.130.0020.02616.13
5.6.120.0020.03017.55
5.6.110.0070.02717.56
5.6.100.0140.03217.68
5.6.90.0000.03017.71
5.6.80.0050.04117.30
5.6.70.0160.03417.11
5.6.60.0000.01413.98
5.6.50.0070.00714.25
5.6.40.0050.00514.25
5.6.30.0090.00614.28
5.6.20.0030.01014.41
5.6.10.0000.01614.05
5.6.00.0000.01314.10
5.5.380.0060.00613.94
5.5.370.0100.00313.89
5.5.360.0080.00414.38
5.5.350.0070.02517.31
5.5.340.0100.03315.91
5.5.330.0070.02817.10
5.5.320.0310.03617.41
5.5.310.0180.03817.38
5.5.300.0050.04616.11
5.5.290.0070.03015.95
5.5.280.0060.04317.62
5.5.270.0070.02217.53
5.5.260.0070.04217.50
5.5.250.0080.04217.27
5.5.240.0080.03517.07
5.5.230.0060.00913.95
5.5.220.0040.01514.05
5.5.210.0060.01013.82
5.5.200.0070.00714.08
5.5.190.0110.00013.93
5.5.180.0060.00914.02
5.5.170.0110.00314.15
5.5.160.0040.00914.09
5.5.150.0100.00314.21
5.5.140.0030.00913.96
5.5.130.0090.00314.14
5.5.120.0060.00914.06
5.5.110.0000.01613.95
5.5.100.0060.01214.24
5.5.90.0080.00913.96
5.5.80.0000.00914.11
5.5.70.0070.00714.07
5.5.60.0060.01014.05
5.5.50.0090.00014.06
5.5.40.0030.00913.68
5.5.30.0040.01114.14
5.5.20.0000.01213.82
5.5.10.0000.01513.83
5.5.00.0030.01013.91
5.4.450.0400.03515.73
5.4.440.0430.03115.70
5.4.430.0420.03315.55
5.4.420.0340.00415.62
5.4.410.0120.03815.39
5.4.400.0090.03115.38
5.4.390.0100.03115.31
5.4.380.0150.02515.27
5.4.370.0070.02415.27
5.4.360.0050.03215.33
5.4.350.0040.02011.98
5.4.340.0060.02011.97
5.4.330.0060.00311.98
5.4.320.0040.02112.22
5.4.310.0040.02312.21
5.4.300.0050.02912.22
5.4.290.0050.02312.21
5.4.280.0100.01912.16
5.4.270.0090.02012.16
5.4.260.0050.02612.16
5.4.250.0060.02712.16
5.4.240.0080.03212.16
5.4.230.0030.02912.16
5.4.220.0060.02012.16
5.4.210.0100.01812.16
5.4.200.0050.02212.16
5.4.190.0050.02512.16
5.4.180.0090.02212.16
5.4.170.0040.02312.16
5.4.160.0060.02312.16
5.4.150.0040.02112.16
5.4.140.0040.02412.00
5.4.130.0020.02612.00
5.4.120.0080.02011.97
5.4.110.0060.02211.97
5.4.100.0080.02511.97
5.4.90.0060.02811.97
5.4.80.0020.02411.97
5.4.70.0050.02611.97
5.4.60.0050.02911.97
5.4.50.0070.03411.97
5.4.40.0070.03011.96
5.4.30.0070.02811.96
5.4.20.0070.03011.96
5.4.10.0040.02911.96
5.4.00.0070.02911.71
5.3.290.0040.02312.39
5.3.280.0080.02412.34
5.3.270.0040.02612.35
5.3.260.0080.02512.35
5.3.250.0060.02812.35
5.3.240.0070.02212.35
5.3.230.0070.02212.34
5.3.220.0050.02812.33
5.3.210.0080.02112.33
5.3.200.0040.02412.33
5.3.190.0050.02112.33
5.3.180.0060.02412.33
5.3.170.0070.02012.33
5.3.160.0020.02512.33
5.3.150.0050.02412.33
5.3.140.0070.02612.32
5.3.130.0040.02312.32
5.3.120.0050.02312.32
5.3.110.0040.02712.32
5.3.100.0090.02012.05
5.3.90.0050.02412.03
5.3.80.0070.02112.03
5.3.70.0050.02312.03
5.3.60.0050.02212.02
5.3.50.0070.02011.99
5.3.40.0080.01911.99
5.3.30.0030.02211.96
5.3.20.0060.02011.85
5.3.10.0040.02311.84
5.3.00.0040.02111.83
5.2.170.0050.0329.18
5.2.160.0040.0319.18
5.2.150.0070.0309.18
5.2.140.0050.0409.18
5.2.130.0020.0339.14
5.2.120.0050.0289.13
5.2.110.0070.0309.14
5.2.100.0040.0329.14
5.2.90.0030.0309.14
5.2.80.0030.0369.14
5.2.70.0060.0319.13
5.2.60.0090.0299.09
5.2.50.0070.0349.05
5.2.40.0090.0379.04
5.2.30.0050.0369.00
5.2.20.0080.0289.00
5.2.10.0030.0318.93
5.2.00.0080.0268.79
5.1.60.0080.0228.08
5.1.50.0060.0228.07
5.1.40.0020.0268.05
5.1.30.0020.0288.41
5.1.20.0050.0258.43
5.1.10.0030.0278.15
5.1.00.0030.0278.15
5.0.50.0030.0216.63
5.0.40.0050.0186.49
5.0.30.0020.0336.30
5.0.20.0040.0196.27
5.0.10.0040.0216.25
5.0.00.0030.0316.24
4.4.90.0010.0174.78
4.4.80.0040.0164.75
4.4.70.0010.0184.75
4.4.60.0060.0154.75
4.4.50.0040.0204.77
4.4.40.0070.0294.71
4.4.30.0060.0184.76
4.4.20.0070.0194.85
4.4.10.0040.0214.85
4.4.00.0080.0224.76
4.3.110.0070.0184.67
4.3.100.0020.0164.66
4.3.90.0010.0164.63
4.3.80.0040.0294.59
4.3.70.0050.0174.63
4.3.60.0060.0244.63
4.3.50.0030.0194.63
4.3.40.0030.0344.54
4.3.30.0030.0163.29
4.3.20.0030.0213.27
4.3.10.0020.0173.23
4.3.00.0200.0236.69

preferences:
77.48 ms | 400 KiB | 5 Q