3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(0 => 100, "color" => "red"); print_r(array_keys($array)[2]);

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)
8.3.60.0110.00718.43
8.3.50.0090.00921.91
8.3.40.0070.00718.79
8.3.30.0070.01018.96
8.3.20.0000.00720.35
8.3.10.0030.00620.57
8.3.00.0050.00319.38
8.2.180.0140.00718.54
8.2.170.0070.00722.96
8.2.160.0100.00720.39
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0050.00226.16
8.2.120.0040.00422.23
8.2.110.0090.00022.16
8.2.100.0040.00817.84
8.2.90.0000.00719.09
8.2.80.0090.00017.97
8.2.70.0080.00017.63
8.2.60.0030.00517.91
8.2.50.0080.00018.07
8.2.40.0000.00817.98
8.2.30.0040.00419.30
8.2.20.0000.00717.61
8.2.10.0050.00218.01
8.2.00.0040.00417.73
8.1.280.0140.00425.92
8.1.270.0080.00022.05
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0060.00618.92
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0100.00317.23
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0080.00818.31
8.1.160.0000.00721.95
8.1.150.0020.00518.82
8.1.140.0030.00517.29
8.1.130.0060.00017.82
8.1.120.0030.00317.27
8.1.110.0080.00017.35
8.1.100.0030.00417.46
8.1.90.0000.00717.32
8.1.80.0040.00417.41
8.1.70.0000.00717.37
8.1.60.0050.00317.55
8.1.50.0040.00417.48
8.1.40.0060.00317.45
8.1.30.0000.00817.54
8.1.20.0000.00817.62
8.1.10.0000.00817.49
8.1.00.0040.00417.47
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0000.00718.51
8.0.270.0040.00417.12
8.0.260.0000.00617.20
8.0.250.0000.00716.89
8.0.240.0040.00416.94
8.0.230.0070.00016.94
8.0.220.0040.00416.93
8.0.210.0030.00316.86
8.0.200.0040.00417.01
8.0.190.0050.00316.91
8.0.180.0050.00316.85
8.0.170.0060.00316.96
8.0.160.0070.00016.82
8.0.150.0000.00716.82
8.0.140.0070.00416.90
8.0.130.0030.00313.34
8.0.120.0000.00816.85
8.0.110.0040.00416.99
8.0.100.0040.00416.78
8.0.90.0020.00516.93
8.0.80.0040.01116.84
8.0.70.0030.00316.71
8.0.60.0030.00516.93
8.0.50.0000.00716.93
8.0.30.0100.01017.07
8.0.20.0110.01317.40
8.0.10.0020.00516.98
8.0.00.0110.00916.60
7.4.330.0000.00515.00
7.4.320.0000.00616.55
7.4.300.0000.00616.56
7.4.290.0030.00316.29
7.4.280.0110.00016.57
7.4.270.0030.00316.37
7.4.260.0000.00716.40
7.4.250.0040.00416.47
7.4.240.0050.00216.53
7.4.230.0000.00716.43
7.4.220.0110.00716.52
7.4.210.0030.01016.61
7.4.200.0040.00416.65
7.4.160.0090.00616.49
7.4.150.0060.01217.40
7.4.140.0080.01117.86
7.4.130.0110.00916.53
7.4.120.0170.00316.45
7.4.110.0100.00716.48
7.4.100.0130.00316.42
7.4.90.0030.01316.61
7.4.80.0170.00917.66
7.4.70.0150.01116.48
7.4.60.0190.00716.29
7.4.50.0130.00916.33
7.4.40.0100.01416.60
7.4.30.0140.01216.54
7.4.20.0240.00616.60
7.4.10.0220.00016.10
7.4.00.0070.00915.66
7.3.330.0030.00313.18
7.3.320.0000.00613.17
7.3.310.0000.00716.13
7.3.300.0070.00016.29
7.3.290.0080.00816.37
7.3.280.0060.01016.24
7.3.270.0030.01617.40
7.3.260.0080.00816.25
7.3.250.0110.00816.48
7.3.240.0100.00716.25
7.3.230.0110.00516.39
7.3.210.0130.00916.53
7.3.200.0200.00717.89
7.3.190.0190.00816.29
7.3.180.0160.01216.26
7.3.170.0220.00616.36
7.3.160.0220.00516.34
7.3.150.0250.01116.42
7.3.140.0150.00916.11
7.3.130.0120.00915.95
7.3.120.0160.00816.06
7.3.110.0170.00716.08
7.3.100.0170.00915.96
7.3.90.0080.01716.04
7.3.80.0090.01216.26
7.3.70.0160.01115.96
7.3.60.0180.00515.80
7.3.50.0130.01315.95
7.3.40.0170.01315.68
7.3.30.0200.00416.18
7.3.20.0180.01016.24
7.3.10.0200.00816.18
7.3.00.0120.01315.98
7.2.330.0070.01016.57
7.2.320.0250.00916.49
7.2.310.0100.01616.47
7.2.300.0160.00916.21
7.2.290.0170.01016.50
7.2.280.0240.00816.45
7.2.270.0260.01016.39
7.2.260.0140.00716.39
7.2.250.0170.00416.05
7.2.240.0120.00815.95
7.2.230.0090.01516.02
7.2.220.0170.00416.14
7.2.210.0210.00016.27
7.2.200.0160.00816.04
7.2.190.0190.00016.08
7.2.180.0130.01016.09
7.2.170.0090.01216.13
7.2.160.0170.00716.11
7.2.150.0150.00616.21
7.2.140.0210.01416.19
7.2.130.0170.01116.05
7.2.120.0110.01115.99
7.2.110.0300.00315.87
7.2.100.0180.00816.37
7.2.90.0140.01316.11
7.2.80.0160.01516.12
7.2.70.0210.01016.09
7.2.60.0300.00616.10
7.2.50.0110.01916.33
7.2.40.0160.01116.44
7.2.30.0130.01616.31
7.2.20.0210.00916.60
7.2.10.0200.00916.11
7.2.00.0110.01217.69
7.1.330.0200.01015.57
7.1.320.0150.01615.55
7.1.310.0240.01015.77
7.1.300.0270.00415.54
7.1.290.0150.01815.50
7.1.280.0230.00615.38
7.1.270.0200.01015.67
7.1.260.0280.01015.54
7.1.250.0200.01215.67
7.1.240.0220.00815.54
7.1.230.0290.00815.55
7.1.220.0480.00715.39
7.1.210.0270.01015.49
7.1.200.0200.00515.49
7.1.190.0190.01815.61
7.1.180.0320.00615.55
7.1.170.0250.01115.49
7.1.160.0200.01615.50
7.1.150.0230.01515.55
7.1.140.0250.01015.40
7.1.130.0240.01215.52
7.1.120.0290.01015.48
7.1.110.0250.01115.39
7.1.100.0180.00916.74
7.1.90.0360.01815.43
7.1.80.0200.01315.54
7.1.70.0120.01216.32
7.1.60.0110.01817.45
7.1.50.0140.01516.12
7.1.40.0190.01415.42
7.1.30.0240.00615.61
7.1.20.0210.00915.45
7.1.10.0230.01015.49
7.1.00.0150.04218.99
7.0.330.0330.00315.22
7.0.320.0150.01815.19
7.0.310.0270.00915.13
7.0.300.0320.00414.99
7.0.290.0250.01015.28
7.0.280.0370.00015.06
7.0.270.0250.00715.09
7.0.260.0240.01315.12
7.0.250.0250.01015.05
7.0.240.0280.00315.19
7.0.230.0350.00915.07
7.0.220.0180.01515.20
7.0.210.0270.00615.34
7.0.200.0100.01115.80
7.0.190.0200.01315.23
7.0.180.0350.01015.16
7.0.170.0230.01215.15
7.0.160.0240.00715.31
7.0.150.0160.01315.11
7.0.140.0080.04118.75
7.0.130.0110.01415.12
7.0.120.0090.01215.16
7.0.110.0100.00815.22
7.0.100.0250.00415.12
7.0.90.0320.02917.54
7.0.80.0330.02317.47
7.0.70.0240.04117.47
7.0.60.0330.02517.51
7.0.50.0180.02817.65
7.0.40.0090.04817.58
7.0.30.0130.03417.60
7.0.20.0150.03617.44
7.0.10.0150.04817.56
7.0.00.0350.03817.41
5.6.400.0200.01715.92
5.6.390.0230.01115.52
5.6.380.0270.00816.06
5.6.370.0190.01716.05
5.6.360.0210.01615.57
5.6.350.0230.01516.14
5.6.340.0300.00415.85
5.6.330.0260.01016.04
5.6.320.0280.00815.97
5.6.310.0250.00915.66
5.6.300.0100.01815.98
5.6.290.0110.01515.99
5.6.280.0110.04218.24
5.6.270.0040.02415.84
5.6.260.0170.00715.60
5.6.250.0160.01315.85
5.6.240.0160.01015.74
5.6.230.0140.02518.14
5.6.220.0230.03918.21
5.6.210.0100.02918.21
5.6.200.0130.04018.37
5.6.190.0120.02818.37
5.6.180.0150.03518.42
5.6.170.0200.02818.42
5.6.160.0180.03618.36
5.6.150.0120.05118.31
5.6.140.0110.03618.39
5.6.130.0040.05518.18
5.6.120.0120.05018.29
5.6.110.0100.04618.22
5.6.100.0090.03218.36
5.6.90.0210.02218.38
5.6.80.0120.03917.91
5.6.70.0170.04117.88
5.6.60.0120.04417.97
5.6.50.0160.03117.94
5.6.40.0180.02417.95
5.6.30.0130.02617.99
5.6.20.0140.04518.25
5.6.10.0180.02118.14
5.6.00.0180.03818.04
5.5.380.0150.01815.78
5.5.370.0130.04518.03
5.5.360.0140.03117.91
5.5.350.0140.05018.19
5.5.340.0180.03918.26
5.5.330.0200.04518.26
5.5.320.0150.04318.37
5.5.310.0170.04518.37
5.5.300.0170.04318.47
5.5.290.0120.03718.27
5.5.280.0210.03918.22
5.5.270.0140.04818.18
5.5.260.0110.04818.36
5.5.250.0110.04018.14
5.5.240.0180.03817.99
5.5.230.0140.03017.94
5.5.220.0150.03217.88
5.5.210.0140.04217.96
5.5.200.0190.03817.91
5.5.190.0190.02617.86
5.5.180.0120.05117.91
5.5.170.0230.01015.61
5.5.160.0160.04317.96
5.5.150.0160.04218.02
5.5.140.0140.04517.95
5.5.130.0080.05318.00
5.5.120.0150.03017.93
5.5.110.0130.04417.95
5.5.100.0120.04317.85
5.5.90.0150.04217.88
5.5.80.0150.04017.77
5.5.70.0090.05217.90
5.5.60.0170.02417.88
5.5.50.0150.02717.90
5.5.40.0100.04917.86
5.5.30.0140.04517.76
5.5.20.0090.05017.79
5.5.10.0180.03917.69
5.5.00.0150.03817.81
5.4.450.0130.04215.93
5.4.440.0180.03515.94
5.4.430.0220.03015.95
5.4.420.0090.04115.92
5.4.410.0120.04415.99
5.4.400.0120.03515.80
5.4.390.0120.02415.74
5.4.380.0120.02915.75
5.4.370.0090.03015.81
5.4.360.0080.04415.64
5.4.350.0100.03715.69
5.4.340.0120.03115.75
5.4.330.0150.00912.52
5.4.320.0090.04315.68
5.4.310.0070.04415.83
5.4.300.0160.03715.78
5.4.290.0090.02715.82
5.4.280.0080.04215.81
5.4.270.0130.04015.81
5.4.260.0110.04115.67
5.4.250.0190.03515.69
5.4.240.0130.04015.91
5.4.230.0160.02915.72
5.4.220.0100.04415.87
5.4.210.0120.02315.69
5.4.200.0100.03815.69
5.4.190.0140.02515.76
5.4.180.0060.04315.75
5.4.170.0070.02715.75
5.4.160.0140.03515.72
5.4.150.0100.04115.77
5.4.140.0100.03314.38
5.4.130.0140.03914.40
5.4.120.0110.04114.38
5.4.110.0150.03814.34
5.4.100.0110.02314.42
5.4.90.0140.04014.55
5.4.80.0130.02114.46
5.4.70.0130.03014.43
5.4.60.0090.02214.42
5.4.50.0150.03814.43
5.4.40.0080.04514.38
5.4.30.0060.04014.49
5.4.20.0100.04414.43
5.4.10.0080.04214.51
5.4.00.0110.04614.13

preferences:
35.8 ms | 401 KiB | 5 Q