3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array('0' => 'My key should be string...'));

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)
8.3.40.0110.00418.71
8.3.30.0100.00318.71
8.3.20.0040.00420.25
8.3.10.0000.00821.95
8.3.00.0070.00022.18
8.2.170.0140.00322.96
8.2.160.0040.01119.04
8.2.150.0080.00024.18
8.2.140.0110.00024.66
8.2.130.0140.00426.16
8.2.120.0070.00317.63
8.2.110.0170.00722.31
8.2.100.0080.00317.91
8.2.90.0000.00719.09
8.2.80.0030.00517.97
8.2.70.0060.00317.38
8.2.60.0050.00317.90
8.2.50.0040.00418.07
8.2.40.0070.00318.09
8.2.30.0000.00717.85
8.2.20.0000.00817.45
8.2.10.0050.00317.44
8.2.00.0030.00617.54
8.1.270.0000.00822.15
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0100.01023.67
8.1.230.0080.00319.21
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00617.11
8.1.190.0090.00017.28
8.1.180.0040.00420.40
8.1.170.0070.00418.34
8.1.160.0000.00722.12
8.1.150.0040.00418.53
8.1.140.0040.00417.25
8.1.130.0030.00617.70
8.1.120.0000.00717.37
8.1.110.0000.00817.29
8.1.100.0040.00417.34
8.1.90.0080.00017.31
8.1.80.0070.00017.32
8.1.70.0030.00317.29
8.1.60.0000.00817.44
8.1.50.0030.00517.23
8.1.40.0000.00717.33
8.1.30.0040.00417.43
8.1.20.0030.00617.41
8.1.10.0040.00417.35
8.1.00.0040.00417.26
8.0.300.0050.00218.77
8.0.290.0000.00716.91
8.0.280.0030.00318.19
8.0.270.0040.00417.12
8.0.260.0030.00316.67
8.0.250.0030.00316.71
8.0.240.0070.00216.79
8.0.230.0070.00016.69
8.0.220.0000.00716.66
8.0.210.0070.00016.79
8.0.200.0030.00316.77
8.0.190.0050.00316.88
8.0.180.0000.00716.68
8.0.170.0070.00016.68
8.0.160.0000.00716.63
8.0.150.0070.00016.70
8.0.140.0000.01016.74
8.0.130.0000.00613.18
8.0.120.0080.00016.70
8.0.110.0080.00016.67
8.0.100.0000.00716.66
8.0.90.0030.00416.70
8.0.80.0100.00716.80
8.0.70.0030.00516.63
8.0.60.0000.00716.74
8.0.50.0030.00316.66
8.0.30.0080.01116.87
8.0.20.0110.00717.40
8.0.10.0070.00016.91
8.0.00.0100.01116.58
7.4.330.0030.00315.00
7.4.320.0060.00016.34
7.4.300.0070.00016.31
7.4.290.0000.00816.30
7.4.280.0000.00716.25
7.4.270.0060.00016.45
7.4.260.0030.00616.34
7.4.250.0040.00416.46
7.4.240.0030.00416.35
7.4.230.0030.00316.24
7.4.220.0120.01316.55
7.4.210.0070.00916.44
7.4.200.0070.00016.16
7.4.190.0070.00016.51
7.4.160.0060.01016.34
7.4.150.0110.00717.40
7.4.140.0110.01017.86
7.4.130.0140.00316.28
7.4.120.0090.01016.40
7.4.110.0090.01216.26
7.4.100.0100.00716.28
7.4.90.0090.00916.30
7.4.80.0110.00719.39
7.4.70.0090.00616.32
7.4.60.0040.01116.56
7.4.50.0040.00416.27
7.4.40.0030.01322.77
7.4.30.0100.01016.52
7.4.00.0060.00914.69
7.3.330.0000.00512.89
7.3.320.0000.00513.03
7.3.310.0070.00016.21
7.3.300.0000.00716.14
7.3.290.0070.00616.14
7.3.280.0060.00816.11
7.3.270.0120.00617.40
7.3.260.0040.01316.17
7.3.250.0080.00916.06
7.3.240.0100.00716.41
7.3.230.0120.01216.39
7.3.210.0110.00516.44
7.3.200.0040.01519.39
7.3.190.0160.00616.14
7.3.180.0000.01716.29
7.3.170.0040.01116.27
7.3.160.0080.00716.05
7.3.120.0030.01314.90
7.2.330.0070.01016.25
7.2.320.0100.01316.14
7.2.310.0030.01316.26
7.2.300.0060.01016.17
7.2.290.0100.00716.41
7.2.00.0080.00419.03
7.1.100.1010.00414.07
7.1.70.0000.00717.11
7.1.60.0120.01219.82
7.1.50.0100.01016.89
7.1.00.0030.05722.48
7.0.200.0000.00916.45
7.0.140.0000.07722.08
7.0.100.0130.06719.99
7.0.90.0100.08019.89
7.0.80.0270.06719.94
7.0.70.0100.08719.92
7.0.60.0170.08019.91
7.0.50.0170.08320.32
7.0.40.0130.08020.05
7.0.30.0000.07320.05
7.0.20.0070.09020.03
7.0.10.0130.06020.02
7.0.00.0100.09020.07
5.6.280.0000.07721.04
5.6.250.0100.05020.62
5.6.240.0030.09020.63
5.6.230.0070.08020.68
5.6.220.0130.07720.48
5.6.210.0030.08720.58
5.6.200.0200.07321.11
5.6.190.0030.09021.05
5.6.180.0070.08321.02
5.6.170.0100.07320.93
5.6.160.0100.06721.09
5.6.150.0070.05021.07
5.6.140.0130.07320.92
5.6.130.0230.07721.03
5.6.120.0070.04321.06
5.6.110.0030.09020.93
5.6.100.0100.08321.14
5.6.90.0030.05721.00
5.6.80.0130.07020.41
5.6.70.0130.06720.48
5.6.60.0100.08320.44
5.6.50.0030.08720.36
5.6.40.0200.06720.30
5.6.30.0070.06720.37
5.6.20.0130.07020.51
5.6.10.0070.06320.43
5.6.00.0070.04720.25
5.5.380.0100.06720.39
5.5.370.0200.05020.34
5.5.360.0100.06320.37
5.5.350.0100.08720.41
5.5.340.0200.07020.72
5.5.330.0070.07720.80
5.5.320.0030.08320.79
5.5.310.0130.06720.82
5.5.300.0130.07020.77
5.5.290.0070.05320.72
5.5.280.0100.06320.77
5.5.270.0070.08320.90
5.5.260.0100.07720.82
5.5.250.0230.05020.72
5.5.240.0100.07720.02
5.5.230.0100.06720.19
5.5.220.0230.05019.99
5.5.210.0070.07720.27
5.5.200.0030.08320.21
5.5.190.0100.08020.14
5.5.180.0070.07319.97
5.5.160.0030.08720.24
5.5.150.0030.06720.26
5.5.140.0030.05719.98
5.5.130.0100.04720.10
5.5.120.0130.07720.25
5.5.110.0100.07720.14
5.5.100.0200.07019.97
5.5.90.0070.04320.14
5.5.80.0070.06720.06
5.5.70.0070.08319.96
5.5.60.0200.06019.91
5.5.50.0130.09320.07
5.5.40.0000.08320.07
5.5.30.0070.08020.07
5.5.20.0100.08320.07
5.5.10.0200.06320.04
5.5.00.0100.06320.02
5.4.450.0100.07019.42
5.4.440.0100.07719.36
5.4.430.0000.08319.35
5.4.420.0100.07319.43
5.4.410.0130.07019.23
5.4.400.0100.07019.23
5.4.390.0070.03718.78
5.4.380.0100.04719.02
5.4.370.0030.05019.05
5.4.360.0030.08019.06
5.4.350.0000.08019.11
5.4.340.0030.07718.90
5.4.320.0070.07019.11
5.4.310.0170.06318.95
5.4.300.0070.03719.04
5.4.290.0070.08018.90
5.4.280.0100.07019.13
5.4.270.0200.02318.90
5.4.260.0070.08018.80
5.4.250.0200.05319.10
5.4.240.0100.04018.95
5.4.230.0130.07019.11
5.4.220.0170.06719.21
5.4.210.0070.06319.05
5.4.200.0100.07718.77
5.4.190.0100.04319.02
5.4.180.0100.05718.89
5.4.170.0170.06719.22
5.4.160.0130.07319.21
5.4.150.0030.08718.77
5.4.140.0100.07016.29
5.4.130.0030.06016.06
5.4.120.0000.06716.40
5.4.110.0170.06016.41
5.4.100.0100.05316.23
5.4.90.0100.07016.22
5.4.80.0000.06016.34
5.4.70.0100.06716.34
5.4.60.0100.04016.35
5.4.50.0030.04316.33
5.4.40.0000.08016.41
5.4.30.0100.07316.23
5.4.20.0100.07316.40
5.4.10.0070.07716.18
5.4.00.0030.07715.83
5.3.290.0130.07714.48
5.3.280.0030.08014.55
5.3.270.0100.07314.57
5.3.260.0130.07314.46
5.3.250.0030.08014.54
5.3.240.0070.08314.57
5.3.230.0030.07714.55
5.3.220.0100.05014.38
5.3.210.0070.08314.39
5.3.200.0100.07014.50
5.3.190.0030.08014.42
5.3.180.0070.04314.41
5.3.170.0100.07314.53
5.3.160.0100.07014.56
5.3.150.0100.06714.55
5.3.140.0100.07014.41
5.3.130.0070.05314.53
5.3.120.0070.07714.36
5.3.110.0030.04714.40
5.3.100.0070.06314.01
5.3.90.0100.06713.99
5.3.80.0100.07013.99
5.3.70.0100.07313.77
5.3.60.0170.06714.00
5.3.50.0030.08013.93
5.3.40.0170.06713.87
5.3.30.0070.07713.91
5.3.20.0100.07013.54
5.3.10.0030.07713.58
5.3.00.0030.07013.54
5.2.170.0030.05710.95
5.2.160.0100.05010.96
5.2.150.0070.06311.13
5.2.140.0070.06010.95
5.2.130.0070.06011.09
5.2.120.0030.06311.09
5.2.110.0030.06011.13
5.2.100.0000.05711.09
5.2.90.0070.05311.09
5.2.80.0070.06310.94
5.2.70.0100.06011.08
5.2.60.0030.06711.09
5.2.50.0130.05310.85
5.2.40.0100.06010.97
5.2.30.0100.06311.04
5.2.20.0030.03710.98
5.2.10.0100.04010.91
5.2.00.0070.04010.73
5.1.60.0070.0539.97
5.1.50.0070.06010.00
5.1.40.0070.0509.95
5.1.30.0030.05710.23
5.1.20.0030.04010.40
5.1.10.0070.05710.11
5.1.00.0030.05710.15
5.0.50.0000.0478.54
5.0.40.0100.0408.46
5.0.30.0070.0638.36
5.0.20.0070.0408.36
5.0.10.0000.0478.36
5.0.00.0070.0638.36
4.4.90.0070.0178.36
4.4.80.0070.0208.36
4.4.70.0000.0408.36
4.4.60.0030.0378.36
4.4.50.0000.0308.36
4.4.40.0070.0378.36
4.4.30.0070.0338.36
4.4.20.0030.0338.36
4.4.10.0000.0378.36
4.4.00.0070.0438.36
4.3.110.0000.0378.36
4.3.100.0000.0378.36
4.3.90.0000.0378.36
4.3.80.0000.0508.36
4.3.70.0030.0338.36
4.3.60.0030.0378.36
4.3.50.0030.0378.36
4.3.40.0030.0538.36
4.3.30.0030.0378.36
4.3.20.0000.0378.36
4.3.10.0000.0378.36
4.3.00.0030.0308.36

preferences:
42.14 ms | 400 KiB | 5 Q