3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( json_decode('{"test":[{"1":"2"}]}')); var_dump(json_decode('[]'));

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)
8.3.60.0030.01018.30
8.3.50.0120.00821.81
8.3.40.0110.00718.59
8.3.30.0120.00318.89
8.3.20.0040.00420.04
8.3.10.0040.00421.73
8.3.00.0040.00419.26
8.2.180.0120.00616.50
8.2.170.0070.01022.96
8.2.160.0040.01220.52
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00822.18
8.2.110.0060.00322.26
8.2.100.0080.00417.63
8.2.90.0000.00719.09
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0070.00417.91
8.2.50.0100.00018.07
8.2.40.0040.00419.76
8.2.30.0040.00417.97
8.2.20.0040.00417.41
8.2.10.0000.00717.79
8.2.00.0040.00417.52
8.1.280.0090.00625.92
8.1.270.0110.00723.88
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0080.00023.88
8.1.230.0080.00419.01
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.00817.10
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0040.00418.48
8.1.160.0040.00421.93
8.1.150.0000.00718.77
8.1.140.0040.00417.31
8.1.130.0070.00017.62
8.1.120.0000.00717.29
8.1.110.0000.00717.19
8.1.100.0000.00717.27
8.1.90.0030.00417.32
8.1.80.0000.00717.34
8.1.70.0030.00317.32
8.1.60.0000.00817.48
8.1.50.0040.00417.38
8.1.40.0030.00517.20
8.1.30.0040.00417.43
8.1.20.0040.00417.48
8.1.10.0000.00717.25
8.1.00.0070.00017.36
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0070.00018.37
8.0.270.0030.00317.07
8.0.260.0000.00817.05
8.0.250.0000.00716.83
8.0.240.0030.00316.79
8.0.230.0000.00716.70
8.0.220.0040.00416.62
8.0.210.0030.00316.70
8.0.200.0000.00816.80
8.0.190.0030.00616.82
8.0.180.0000.00816.80
8.0.170.0000.00816.76
8.0.160.0030.00316.67
8.0.150.0030.00316.61
8.0.140.0050.00316.59
8.0.130.0000.00613.05
8.0.120.0070.00016.75
8.0.110.0000.00716.75
8.0.100.0000.00716.75
8.0.90.0000.00716.65
8.0.80.0060.01716.66
8.0.70.0050.00316.57
8.0.60.0030.00316.62
8.0.50.0070.00016.72
8.0.30.0100.00816.83
8.0.20.0140.00617.40
8.0.10.0000.00716.91
8.0.00.0110.00616.71
7.4.330.0000.00415.00
7.4.320.0050.00216.46
7.4.300.0000.00616.43
7.4.290.0030.00316.35
7.4.280.0050.00316.38
7.4.270.0000.00716.43
7.4.260.0030.00316.44
7.4.250.0050.00316.45
7.4.240.0020.00516.46
7.4.230.0000.00716.40
7.4.220.0060.01216.40
7.4.210.0110.00916.44
7.4.200.0040.00416.35
7.4.160.0030.01316.51
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0130.00416.43
7.4.120.0080.00816.35
7.4.110.0140.02416.29
7.4.100.0070.01116.38
7.4.90.0150.00916.36
7.4.80.0030.01219.39
7.4.70.0030.01416.21
7.4.60.0060.00916.32
7.4.50.0050.00016.42
7.4.40.0030.01716.23
7.4.30.0070.01016.35
7.4.00.0080.00814.40
7.3.330.0000.00512.87
7.3.320.0050.00013.11
7.3.310.0070.00016.20
7.3.300.0030.00316.17
7.3.290.0080.00516.06
7.3.280.0050.01116.16
7.3.270.0030.01417.40
7.3.260.0120.00616.41
7.3.250.0040.01316.27
7.3.240.0090.00916.37
7.3.230.0160.00616.39
7.3.210.0080.00816.17
7.3.200.0030.01719.39
7.3.190.0120.00916.28
7.3.180.0120.00616.07
7.3.170.0150.00916.42
7.3.160.0130.00416.25
7.2.330.0030.01716.25
7.2.320.0090.00916.57
7.2.310.0120.01316.14
7.2.300.0050.01316.49
7.2.290.0130.00316.26
7.2.60.0070.00716.35
7.2.00.0000.01219.25
7.1.200.0040.01115.48
7.1.100.0070.00717.86
7.1.70.0000.01016.89
7.1.60.0030.01019.32
7.1.50.0160.00616.76
7.1.00.0030.07322.43
7.0.200.0030.00616.75
7.0.140.0070.07021.96
7.0.60.0200.07721.80
7.0.50.0030.08017.83
7.0.40.0070.08720.20
7.0.30.0230.08720.16
7.0.20.0200.05320.30
7.0.10.0070.08720.09
7.0.00.0000.08020.25
5.6.280.0030.07020.77
5.6.210.0130.06020.48
5.6.200.0100.06718.12
5.6.190.0070.05320.28
5.6.180.0270.07720.33
5.6.170.0230.06020.71
5.6.160.0000.04720.49
5.6.150.0130.03018.13
5.6.140.0070.08018.12
5.6.130.0030.05718.18
5.6.120.0100.05020.98
5.6.110.0000.04720.96
5.6.100.0000.04321.08
5.6.90.0130.05021.12
5.6.80.0130.08020.28
5.5.350.0300.06020.29
5.5.340.0070.04317.93
5.5.330.0070.08020.36
5.5.320.0270.07320.26
5.5.310.0270.03720.24
5.5.300.0030.03717.98
5.5.290.0030.07717.92
5.5.280.0030.04020.74
5.5.270.0130.05020.75
5.5.260.0030.05720.81
5.5.250.0100.08720.77
5.5.240.0200.07320.14
5.4.450.4670.04019.22
5.4.440.3700.04019.29
5.4.430.3700.04019.51
5.4.420.3730.03719.56
5.4.410.4000.03719.06
5.4.400.4130.05019.13
5.4.390.4200.03318.86
5.4.380.4000.03719.13
5.4.370.3870.03719.13
5.4.360.4070.03719.04
5.4.350.3270.04018.96
5.4.340.3900.04018.87
5.4.320.3570.03719.12
5.4.310.4200.03319.18
5.4.300.3970.03719.14
5.4.290.3970.03719.07
5.4.280.3670.04719.08
5.4.270.4130.03319.04
5.4.260.4170.03719.03
5.4.250.4330.03718.95
5.4.240.3800.04319.12
5.4.230.3930.03719.03
5.4.220.3630.04019.24
5.4.210.3670.03319.06
5.4.200.3700.03719.05
5.4.190.3770.03019.23
5.4.180.3700.03318.96
5.4.170.3600.04319.07
5.4.160.3770.03019.14
5.4.150.3870.03718.94
5.4.140.3800.03716.33
5.4.130.3730.03316.41
5.4.120.3770.03316.44
5.4.110.3930.03316.26
5.4.100.0030.07316.38
5.4.90.0030.07316.43
5.4.80.4000.03316.14
5.4.70.4770.02716.34
5.4.60.4600.03716.47
5.4.50.4630.03016.36
5.4.40.5530.03016.43
5.4.30.4530.04016.10
5.4.20.4670.04016.39
5.4.10.4670.03316.38
5.4.00.4570.03715.61
5.3.290.3600.03714.61
5.3.280.4300.03714.57
5.3.270.3600.04014.52
5.3.260.4600.03714.50
5.3.250.4270.03714.62
5.3.240.3630.03714.50
5.3.230.4030.03714.50
5.3.220.4500.03014.45
5.3.210.4130.04314.52
5.3.200.4170.03714.49
5.3.190.0000.08014.35
5.3.180.1970.05314.49
5.3.170.3900.03714.48
5.3.160.4370.03014.46
5.3.150.4630.03314.49
5.3.140.4000.02714.43
5.3.130.4600.04014.36
5.3.120.4530.04714.64
5.3.110.4630.03714.50
5.3.100.3330.04013.96
5.3.90.0000.07713.97
5.3.80.0000.04713.99
5.3.70.0100.06713.84
5.3.60.2200.04013.80
5.3.50.4600.04013.77
5.3.40.4600.04013.88
5.3.30.4230.03313.93
5.3.20.4670.04013.78
5.3.10.4270.03713.63
5.3.00.4330.03313.57
5.2.170.3670.02711.13
5.2.160.3570.03011.14
5.2.150.3570.02711.21
5.2.140.3500.03711.30
5.2.130.3870.03010.98
5.2.120.4000.02310.93
5.2.110.3800.03011.10
5.2.100.3770.03311.27
5.2.90.4000.02710.98
5.2.80.3870.03010.98
5.2.70.3770.03010.99
5.2.60.3800.04011.03
5.2.50.3970.03310.95
5.2.40.2900.03311.00
5.2.30.3170.03310.97
5.2.20.3370.02310.92
5.2.10.3270.03010.75
5.2.00.3230.03010.70
5.1.60.3170.0279.89
5.1.50.3170.0279.83
5.1.40.2930.02010.03
5.1.30.3170.03010.34
5.1.20.3170.03010.33
5.1.10.3030.02310.05
5.1.00.3100.02710.12
5.0.50.1830.0238.52
5.0.40.1530.0278.42
5.0.30.1230.0338.28
5.0.20.1230.0178.21
5.0.10.1230.0178.25
5.0.00.1970.0408.23
4.4.90.1830.0175.82
4.4.80.1730.0135.78
4.4.70.1800.0175.79
4.4.60.1900.0135.81
4.4.50.1830.0175.83
4.4.40.1730.0275.82
4.4.30.1470.0135.76
4.4.20.1700.0135.88
4.4.10.1870.0105.94
4.4.00.1630.0235.86
4.3.110.1500.0205.75
4.3.100.1330.0175.75
4.3.90.1170.0175.75
4.3.80.1430.0335.75
4.3.70.1130.0205.79
4.3.60.1230.0105.83
4.3.50.1400.0175.81
4.3.40.1570.0275.75
4.3.30.0830.0205.75
4.3.20.0830.0205.75
4.3.10.0870.0135.75
4.3.00.0970.0135.75

preferences:
43.52 ms | 401 KiB | 5 Q