3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( '1' => kasza ); var_dump(json_decode(json_encode($arr)));

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)
8.3.60.0090.00618.43
8.3.50.0140.00822.93
8.3.40.0070.00718.63
8.3.30.0070.00718.95
8.3.20.0040.00420.12
8.3.10.0040.00423.70
8.3.00.0060.00319.38
8.2.180.0040.01118.18
8.2.170.0110.00322.96
8.2.160.0110.00420.43
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00321.10
8.2.110.0090.00022.26
8.2.100.0070.00417.78
8.2.90.0040.00417.95
8.2.80.0080.00019.23
8.2.70.0040.00418.04
8.2.60.0000.00817.93
8.2.50.0080.00018.10
8.2.40.0000.00720.66
8.2.30.0000.00717.93
8.2.20.0030.00617.62
8.2.10.0040.00417.91
8.2.00.0000.00717.80
8.1.280.0110.00725.92
8.1.270.0030.00623.84
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0060.00322.15
8.1.230.0080.00421.09
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0060.00318.46
8.1.160.0030.00322.04
8.1.150.0040.00418.77
8.1.140.0040.00417.43
8.1.130.0030.00317.74
8.1.120.0000.00717.22
8.1.110.0080.00017.30
8.1.100.0000.00717.37
8.1.90.0000.00717.40
8.1.80.0000.00717.41
8.1.70.0030.00317.38
8.1.60.0120.00017.39
8.1.50.0000.00817.47
8.1.40.0050.00217.41
8.1.30.0070.00017.49
8.1.20.0020.00517.50
8.1.10.0000.00817.46
8.1.00.0030.00617.38
8.0.300.0070.00020.10
8.0.290.0040.00416.75
8.0.280.0070.00018.43
8.0.270.0000.00716.86
8.0.260.0030.00317.31
8.0.250.0030.00316.93
8.0.240.0000.00816.99
8.0.230.0000.00716.87
8.0.220.0000.00716.95
8.0.210.0030.00316.93
8.0.200.0000.00617.06
8.0.190.0030.00516.91
8.0.180.0090.00016.91
8.0.170.0050.00216.99
8.0.160.0050.00317.07
8.0.150.0050.00216.85
8.0.140.0070.00016.82
8.0.130.0030.00313.33
8.0.120.0000.00816.79
8.0.110.0030.00316.87
8.0.100.0040.00416.88
8.0.90.0030.00616.94
8.0.80.0070.01116.88
8.0.70.0000.00816.88
8.0.60.0000.00716.91
8.0.50.0040.00416.89
8.0.30.0090.01017.19
8.0.20.0080.01017.40
8.0.10.0050.00316.92
8.0.00.0080.01116.58
7.4.330.0030.00315.00
7.4.320.0050.00316.35
7.4.300.0000.00616.49
7.4.290.0000.00716.64
7.4.280.0040.00416.56
7.4.270.0030.00616.54
7.4.260.0000.00816.54
7.4.250.0000.00716.55
7.4.240.0040.00416.59
7.4.230.0050.00216.56
7.4.220.0100.00716.59
7.4.210.0070.00716.46
7.4.200.0030.00316.46
7.4.160.0120.00416.35
7.4.150.0100.00717.40
7.4.140.0100.01217.86
7.4.130.0070.01116.45
7.4.120.0120.00416.52
7.4.110.0100.00716.54
7.4.100.0070.01316.65
7.4.90.0130.00316.50
7.4.80.0110.00719.39
7.4.70.0060.00916.67
7.4.60.0090.00616.55
7.4.50.0020.00216.78
7.4.40.0070.01116.42
7.4.30.0110.00516.63
7.4.00.0070.01014.80
7.3.330.0030.00313.10
7.3.320.0030.00312.99
7.3.310.0070.00016.43
7.3.300.0000.00616.10
7.3.290.0140.00716.23
7.3.280.0060.01016.27
7.3.270.0080.00817.40
7.3.260.0070.01016.24
7.3.250.0060.01116.38
7.3.240.0150.00316.29
7.3.230.0040.01216.39
7.3.210.0090.01516.51
7.3.200.0040.01719.39
7.3.190.0100.01316.66
7.3.180.0070.01016.16
7.3.170.0060.01516.27
7.3.160.0110.01116.41
7.2.330.0140.00316.54
7.2.320.0110.00616.51
7.2.310.0100.00716.52
7.2.300.0150.00616.58
7.2.290.0080.00916.54
7.2.60.0140.00316.90
7.2.00.0070.00719.44
7.1.200.0040.00815.58
7.1.100.0050.00517.89
7.1.70.0000.01516.76
7.1.60.0070.01119.46
7.1.50.0060.01316.86
7.1.00.0000.08022.51
7.0.200.0040.00416.87
7.0.140.0200.06022.16
7.0.90.0270.04319.85
7.0.80.0370.05019.88
7.0.70.0330.04719.88
7.0.60.0170.03319.88
7.0.50.0270.05020.25
7.0.40.0100.03320.00
7.0.30.0100.03720.15
7.0.20.0070.05720.19
7.0.10.0070.03720.17
7.0.00.0030.04320.03
5.6.240.0030.04020.57
5.6.230.0070.03320.67
5.6.220.0070.04720.64
5.6.210.0070.03720.64
5.6.200.0100.07021.14
5.6.190.0030.04021.13
5.6.180.0030.04321.07
5.6.170.0070.04021.03
5.6.160.0030.06720.93
5.6.150.0070.04721.03
5.6.140.0000.04320.94
5.6.130.0070.07721.04
5.6.120.0130.08021.13
5.6.110.0000.09020.94
5.6.100.0070.08721.03
5.6.90.0100.07021.02
5.6.80.0100.07020.39
5.6.70.0070.05020.45
5.6.60.0100.08020.32
5.6.50.0030.05720.39
5.6.40.0100.05720.52
5.6.30.0170.06320.29
5.6.20.0070.08020.29
5.6.10.0070.07720.51
5.6.00.0100.03720.27
5.5.380.0000.07020.40
5.5.370.0100.07020.48
5.5.360.0070.03320.52
5.5.350.0070.03720.33
5.5.340.0030.04020.86
5.5.330.0170.04720.86
5.5.320.0070.04020.85
5.5.310.0070.03720.72
5.5.300.0070.04320.88
5.5.290.0070.05320.79
5.5.280.0130.07720.91
5.5.270.0070.05320.87
5.5.260.0170.07020.84
5.5.250.0030.08720.60
5.5.240.0170.06020.28
5.5.230.0030.09020.10
5.5.220.0030.07720.23
5.5.210.0170.07020.17
5.5.200.0200.06320.20
5.5.190.0130.07020.13
5.5.180.0100.05320.14
5.5.160.0100.07320.20
5.5.150.0130.07320.25
5.5.140.0230.05020.16
5.5.130.0070.07320.11
5.5.120.0100.07020.10
5.5.110.0070.08320.06
5.5.100.0070.08320.07
5.5.90.0030.08020.06
5.5.80.0100.07320.05
5.5.70.0030.05720.09
5.5.60.0100.05719.95
5.5.50.0100.07719.95
5.5.40.0100.07020.11
5.5.30.0030.08019.98
5.5.20.0070.07020.13
5.5.10.0100.07720.09
5.5.00.0070.08020.05
5.4.450.0100.08019.31
5.4.440.0070.07019.35
5.4.430.0130.07019.44
5.4.420.0100.08019.38
5.4.410.0100.07719.23
5.4.400.0070.05018.96
5.4.390.0030.06319.02
5.4.380.0030.07718.81
5.4.370.0100.07019.18
5.4.360.0030.08318.90
5.4.350.0030.06319.10
5.4.340.0100.04018.98
5.4.320.0100.07719.10
5.4.310.0070.05719.13
5.4.300.0230.06018.78
5.4.290.0130.07019.02
5.4.280.0070.07319.07
5.4.270.0130.06718.91
5.4.260.0100.06719.07
5.4.250.0100.07019.11
5.4.240.0070.07019.12
5.4.230.0070.06718.83
5.4.220.0130.07019.14
5.4.210.0030.05019.02
5.4.200.0030.07318.78
5.4.190.0100.06318.98
5.4.180.0170.06719.11
5.4.170.0000.07719.04
5.4.160.0070.08319.10
5.4.150.0030.08019.02
5.4.140.0100.07016.24
5.4.130.0070.07316.22
5.4.120.0100.07016.31
5.4.110.0100.07316.23
5.4.100.0070.05716.41
5.4.90.0070.07716.36
5.4.80.0070.05016.31
5.4.70.0130.07016.32
5.4.60.0100.07316.30
5.4.50.0070.06716.18
5.4.40.0070.07016.44
5.4.30.0130.06316.23
5.4.20.0070.07316.18
5.4.10.0100.07316.18
5.4.00.0030.06715.76
5.3.290.0130.06314.52
5.3.280.0030.07314.41
5.3.270.0000.06714.59
5.3.260.0070.06014.42
5.3.250.0000.05714.44
5.3.240.0000.04714.42
5.3.230.0100.07314.45
5.3.220.0030.08014.50
5.3.210.0070.07714.50
5.3.200.0100.05714.55
5.3.190.0170.06714.40
5.3.180.0130.07014.55
5.3.170.0030.07014.54
5.3.160.0070.05014.54
5.3.150.0100.05014.55
5.3.140.0100.04314.55
5.3.130.0100.04014.38
5.3.120.0000.07714.55
5.3.110.0030.07714.41
5.3.100.0130.07013.89
5.3.90.0070.06714.00
5.3.80.0070.07314.00
5.3.70.0130.07013.95
5.3.60.0000.07713.98
5.3.50.0030.08013.90
5.3.40.0170.06313.80
5.3.30.0030.05013.86
5.3.20.0200.05713.55
5.3.10.0100.06713.51
5.3.00.0170.06013.63
5.2.170.0070.06311.16
5.2.160.0070.06311.13
5.2.150.0030.06011.14
5.2.140.0000.06011.05
5.2.130.0030.03710.93
5.2.120.0000.05011.09
5.2.110.0030.05011.09
5.2.100.0100.04710.96
5.2.90.0070.05710.95
5.2.80.0070.05011.05
5.2.70.0070.03010.94
5.2.60.0070.03310.86
5.2.50.0030.05311.05
5.2.40.0130.04710.97
5.2.30.0070.03710.84
5.2.20.0000.04010.96
5.2.10.0000.06010.92
5.2.00.0100.05310.77
5.1.60.0030.05010.04
5.1.50.0070.0509.98
5.1.40.0030.0409.97
5.1.30.0000.05710.28
5.1.20.0030.03010.20
5.1.10.0070.04710.09
5.1.00.0030.04710.08
5.0.50.0000.0378.59
5.0.40.0000.0308.39
5.0.30.0070.0438.30
5.0.20.0030.0438.32
5.0.10.0000.0478.25
5.0.00.0030.0638.14
4.4.90.0070.0337.29
4.4.80.0030.0337.29
4.4.70.0030.0177.29
4.4.60.0000.0407.29
4.4.50.0030.0337.29
4.4.40.0030.0407.29
4.4.30.0070.0307.29
4.4.20.0000.0377.29
4.4.10.0000.0277.29
4.4.00.0000.0577.29
4.3.110.0030.0337.29
4.3.100.0000.0407.29
4.3.90.0000.0377.29
4.3.80.0000.0537.29
4.3.70.0070.0237.29
4.3.60.0000.0307.29
4.3.50.0000.0307.29
4.3.40.0070.0477.29
4.3.30.0030.0307.29
4.3.20.0030.0337.29
4.3.10.0030.0337.29
4.3.00.0000.0277.29

preferences:
66.57 ms | 401 KiB | 5 Q