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)
8.3.60.0090.00618.30
8.3.50.0170.00019.81
8.3.40.0040.01118.67
8.3.30.0030.01018.92
8.3.20.0040.00420.08
8.3.10.0050.00223.61
8.3.00.0080.00019.38
8.2.180.0070.00716.50
8.2.170.0090.00622.96
8.2.160.0130.01020.35
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00720.89
8.2.110.0070.00319.27
8.2.100.0100.00317.91
8.2.90.0000.00819.14
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00917.87
8.2.50.0030.00618.07
8.2.40.0040.00418.20
8.2.30.0050.00318.01
8.2.20.0000.00717.53
8.2.10.0000.00718.05
8.2.00.0050.00217.65
8.1.280.0070.01025.92
8.1.270.0000.00823.83
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00421.30
8.1.230.0090.00318.93
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00517.22
8.1.180.0000.00818.10
8.1.170.0000.00718.79
8.1.160.0040.00418.81
8.1.150.0030.00518.69
8.1.140.0040.00417.25
8.1.130.0070.00017.77
8.1.120.0000.00717.36
8.1.110.0030.00617.29
8.1.100.0050.00217.36
8.1.90.0050.00317.38
8.1.80.0040.00417.35
8.1.70.0070.00017.35
8.1.60.0090.00317.40
8.1.50.0040.00417.33
8.1.40.0040.00417.41
8.1.30.0070.00017.56
8.1.20.0000.00817.62
8.1.10.0000.00717.39
8.1.00.0050.00317.36
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0040.00418.30
8.0.270.0040.00417.18
8.0.260.0030.00317.20
8.0.250.0000.00816.88
8.0.240.0030.00616.75
8.0.230.0070.00016.87
8.0.220.0040.00416.78
8.0.210.0060.00016.84
8.0.200.0000.00616.87
8.0.190.0040.00416.75
8.0.180.0030.00316.89
8.0.170.0000.00716.84
8.0.160.0040.00416.71
8.0.150.0000.00716.73
8.0.140.0050.00316.61
8.0.130.0000.00613.20
8.0.120.0030.00516.77
8.0.110.0000.00716.81
8.0.100.0050.00316.88
8.0.90.0070.00016.69
8.0.80.0070.01016.77
8.0.70.0030.00616.79
8.0.60.0070.00016.79
8.0.50.0000.00816.77
8.0.30.0140.00517.01
8.0.20.0080.01017.40
8.0.10.0000.00816.96
8.0.00.0060.01016.67
7.4.330.0070.00015.00
7.4.320.0000.00616.42
7.4.300.0000.00616.44
7.4.290.0070.00016.52
7.4.280.0080.00016.34
7.4.270.0040.00416.51
7.4.260.0030.00716.48
7.4.250.0000.00716.49
7.4.240.0020.00516.41
7.4.230.0000.00716.45
7.4.220.0070.01016.35
7.4.210.0080.00716.56
7.4.200.0030.00316.40
7.4.160.0150.00916.37
7.4.150.0110.00717.40
7.4.140.0080.01617.86
7.4.130.0060.01116.40
7.4.120.0060.01116.41
7.4.110.0110.00716.48
7.4.100.0090.00916.34
7.4.90.0070.01016.44
7.4.80.0170.00319.39
7.4.70.0080.00816.27
7.4.60.0030.01216.41
7.4.50.0000.00416.36
7.4.40.0140.00316.07
7.4.30.0060.00916.46
7.4.00.0030.01315.02
7.3.330.0060.00013.03
7.3.320.0030.00312.92
7.3.310.0040.00415.99
7.3.300.0040.00416.04
7.3.290.0070.01016.05
7.3.280.0070.00816.13
7.3.270.0130.01017.40
7.3.260.0100.00716.23
7.3.250.0090.01116.22
7.3.240.0080.00816.46
7.3.230.0140.00716.39
7.3.210.0130.00516.05
7.3.200.0150.00916.42
7.3.190.0130.00516.24
7.3.180.0340.00916.41
7.3.170.0130.00316.27
7.3.160.0030.01816.32
7.2.330.0100.00716.46
7.2.320.0100.00616.54
7.2.310.0090.00916.52
7.2.300.0060.01216.50
7.2.290.0140.00416.59
7.2.00.0040.00819.37
7.1.100.0170.00718.13
7.1.70.0060.00917.07
7.1.60.0140.01019.46
7.1.50.0100.01416.89
7.1.00.0100.06722.46
7.0.200.0070.00016.56
7.0.140.0070.07022.01
7.0.90.0430.06320.14
7.0.80.0100.06019.93
7.0.70.0330.06719.86
7.0.60.0400.04019.93
7.0.50.0030.04320.35
7.0.40.0030.04020.15
7.0.30.0000.08020.09
7.0.20.0070.03720.03
7.0.10.0000.05319.95
7.0.00.0030.04320.09
5.6.280.0070.07021.12
5.6.240.0070.05020.57
5.6.230.0030.09020.66
5.6.220.0200.07320.65
5.6.210.0070.04020.55
5.6.200.0030.04021.06
5.6.190.0030.04020.95
5.6.180.0100.04021.07
5.6.170.0000.06321.10
5.6.160.0070.04021.07
5.6.150.0030.04321.11
5.6.140.0170.07021.05
5.6.130.0070.04020.95
5.6.120.0070.04021.10
5.6.110.0030.05721.00
5.6.100.0070.03720.97
5.6.90.0000.05020.93
5.6.80.0000.04320.31
5.6.70.0030.04020.39
5.6.60.0030.04020.47
5.6.50.0070.04320.51
5.6.40.0070.03020.40
5.6.30.0000.04320.40
5.6.20.0070.03720.39
5.6.10.0130.02720.42
5.6.00.0030.04020.37
5.5.380.0030.04320.45
5.5.370.0030.08320.36
5.5.360.0170.07320.40
5.5.350.0100.06320.43
5.5.340.0030.04020.86
5.5.330.0100.03320.89
5.5.320.0000.04720.91
5.5.310.0000.05020.89
5.5.300.0000.05020.75
5.5.290.0070.07720.72
5.5.280.0070.06020.76
5.5.270.0070.04020.76
5.5.260.0070.04320.71
5.5.250.0030.04020.44
5.5.240.0030.04020.17
5.5.230.0000.04320.27
5.5.220.0170.03020.15
5.5.210.0030.04020.27
5.5.200.0100.03320.21
5.5.190.0030.04020.16
5.5.180.0000.03720.23
5.5.160.0000.03720.27
5.5.150.0000.05319.94
5.5.140.0070.05020.27
5.5.130.0030.03320.21
5.5.120.0000.03720.14
5.5.110.0070.03720.21
5.5.100.0030.04020.14
5.5.90.0030.04020.03
5.5.80.0000.06720.09
5.5.70.0030.08019.99
5.5.60.0200.06720.04
5.5.50.0030.06020.14
5.5.40.0030.06720.14
5.5.30.0030.06719.96
5.5.20.0100.07320.00
5.5.10.0030.08320.10
5.5.00.0070.07719.96
5.4.450.0070.03719.36
5.4.440.0070.05319.41
5.4.430.0100.04319.11
5.4.420.0070.03719.38
5.4.410.0030.03719.32
5.4.400.0000.04019.06
5.4.390.0000.04018.79
5.4.380.0030.03718.98
5.4.370.0070.03018.98
5.4.360.0000.04019.02
5.4.350.0000.04018.78
5.4.340.0100.02319.23
5.4.320.0070.03319.25
5.4.310.0000.03318.95
5.4.300.0000.04019.12
5.4.290.0030.03319.22
5.4.280.0030.03718.93
5.4.270.0030.03719.09
5.4.260.0000.05319.13
5.4.250.0100.03318.97
5.4.240.0000.04019.22
5.4.230.0070.06719.14
5.4.220.0170.06318.96
5.4.210.0070.08019.11
5.4.200.0070.08019.02
5.4.190.0070.06319.20
5.4.180.0030.08719.08
5.4.170.0100.04019.06
5.4.160.0070.08018.78
5.4.150.0070.03718.88
5.4.140.0000.04016.07
5.4.130.0030.07316.04
5.4.120.0000.08016.31
5.4.110.0070.06016.31
5.4.100.0130.06316.40
5.4.90.0070.06716.26
5.4.80.0030.07316.21
5.4.70.0200.05716.19
5.4.60.0170.05016.38
5.4.50.0130.06016.39
5.4.40.0000.07016.23
5.4.30.0030.07316.16
5.4.20.0030.04316.32
5.4.10.0070.07316.34
5.4.00.0130.07015.74
5.3.290.0070.03714.67
5.3.280.0070.03714.55
5.3.270.0130.06314.54
5.3.260.0100.03714.59
5.3.250.0070.06714.58
5.3.240.0070.08014.59
5.3.230.0070.04314.58
5.3.220.0100.06314.42
5.3.210.0030.08314.42
5.3.200.0030.08014.40
5.3.190.0030.06014.56
5.3.180.0070.05014.52
5.3.170.0170.05714.52
5.3.160.0000.08014.38
5.3.150.0070.08014.52
5.3.140.0100.06314.56
5.3.130.0070.07714.53
5.3.120.0070.07714.55
5.3.110.0100.07314.54
5.3.100.0070.07313.98
5.3.90.0030.05714.02
5.3.80.0100.03013.92
5.3.70.0200.06313.96
5.3.60.0070.06313.99
5.3.50.0070.07313.90
5.3.40.0170.06713.91
5.3.30.0070.07013.76
5.3.20.0000.08013.46
5.3.10.0100.06713.64
5.3.00.0030.06713.62
5.2.170.0000.07011.14
5.2.160.0100.06011.13
5.2.150.0100.03310.96
5.2.140.0000.04010.98
5.2.130.0070.04311.16
5.2.120.0030.06311.12
5.2.110.0000.06310.92
5.2.100.0070.03011.09
5.2.90.0030.04711.14
5.2.80.0000.04711.09
5.2.70.0000.06711.14
5.2.60.0000.06710.90
5.2.50.0030.04010.96
5.2.40.0030.06310.78
5.2.30.0030.06010.95
5.2.20.0030.04710.98
5.2.10.0030.05010.91
5.2.00.0030.06310.73
5.1.60.0070.0409.82
5.1.50.0070.05010.05
5.1.40.0070.0339.85
5.1.30.0070.04010.38
5.1.20.0030.04710.36
5.1.10.0070.04310.14
5.1.00.0000.05010.09
5.0.50.0000.0208.62
5.0.40.0000.0238.43
5.0.30.0030.0408.26
5.0.20.0070.0108.25
5.0.10.0030.0378.25
5.0.00.0070.0338.25
4.4.90.0000.0377.00
4.4.80.0100.0177.00
4.4.70.0030.0337.00
4.4.60.0000.0377.00
4.4.50.0000.0337.00
4.4.40.0000.0437.00
4.4.30.0000.0377.00
4.4.20.0000.0377.00
4.4.10.0070.0177.00
4.4.00.0000.0277.00
4.3.110.0000.0377.00
4.3.100.0000.0237.00
4.3.90.0000.0277.00
4.3.80.0000.0537.00
4.3.70.0000.0377.00
4.3.60.0000.0307.00
4.3.50.0030.0307.00
4.3.40.0000.0407.00
4.3.30.0000.0377.00
4.3.20.0030.0277.00
4.3.10.0000.0337.00
4.3.00.0070.0237.00

preferences:
49.71 ms | 400 KiB | 5 Q