3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('Lorem', 'ipsum', 'bla', 'bla'); print_r(json_encode($array));

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)
8.3.40.0140.00018.59
8.3.30.0070.00718.83
8.3.20.0040.00420.04
8.3.10.0070.00321.87
8.3.00.0040.00419.06
8.2.170.0130.00722.96
8.2.160.0110.00320.39
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.11
8.2.110.0030.00619.16
8.2.100.0040.00817.78
8.2.90.0080.00017.75
8.2.80.0040.00418.61
8.2.70.0080.00017.91
8.2.60.0040.00418.16
8.2.50.0040.00418.10
8.2.40.0000.01119.18
8.2.30.0070.00019.16
8.2.20.0000.00717.61
8.2.10.0000.00717.85
8.2.00.0040.00417.67
8.1.270.0000.00818.74
8.1.260.0040.01126.35
8.1.250.0040.00428.09
8.1.240.0180.00321.15
8.1.230.0110.00019.59
8.1.220.0040.00417.76
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0080.00017.23
8.1.180.0070.00018.97
8.1.170.0040.00418.39
8.1.160.0040.00319.06
8.1.150.0030.00518.81
8.1.140.0080.00017.42
8.1.130.0000.00717.80
8.1.120.0000.00717.29
8.1.110.0040.00417.38
8.1.100.0000.00717.42
8.1.90.0000.00717.35
8.1.80.0000.00817.29
8.1.70.0000.00817.35
8.1.60.0060.00317.55
8.1.50.0030.00517.48
8.1.40.0040.00417.35
8.1.30.0050.00317.61
8.1.20.0000.00817.54
8.1.10.0020.00517.45
8.1.00.0030.00517.30
8.0.300.0040.00418.77
8.0.290.0080.00016.58
8.0.280.0040.00418.36
8.0.270.0070.00017.16
8.0.260.0080.00017.09
8.0.250.0060.00316.95
8.0.240.0040.00416.86
8.0.230.0070.00016.75
8.0.220.0000.00616.80
8.0.210.0040.00416.84
8.0.200.0060.00316.76
8.0.190.0030.00316.77
8.0.180.0070.00016.84
8.0.170.0000.00716.80
8.0.160.0020.00516.87
8.0.150.0080.00016.74
8.0.140.0040.00416.73
8.0.130.0050.00013.23
8.0.120.0000.00816.70
8.0.110.0000.00716.72
8.0.100.0030.00616.79
8.0.90.0040.00416.85
8.0.80.0090.00616.85
8.0.70.0040.00416.80
8.0.60.0000.00716.64
8.0.50.0040.00416.80
8.0.30.0130.01216.93
8.0.20.0110.01117.40
8.0.10.0040.00416.89
8.0.00.0070.01016.63
7.4.330.0060.00015.03
7.4.320.0030.00316.42
7.4.300.0030.00516.56
7.4.290.0050.00216.46
7.4.280.0040.00416.52
7.4.270.0000.00616.42
7.4.260.0040.00216.43
7.4.250.0030.00316.47
7.4.240.0020.00516.54
7.4.230.0040.00416.50
7.4.220.0110.00716.48
7.4.210.0100.01016.48
7.4.200.0040.00416.33
7.4.160.0050.01016.36
7.4.150.0170.00617.40
7.4.140.0080.01317.86
7.4.130.0060.01216.34
7.4.120.0120.00516.39
7.4.110.0030.01516.48
7.4.100.0030.01416.50
7.4.90.0100.00916.36
7.4.80.0110.00519.39
7.4.70.0130.00716.45
7.4.60.0130.00716.41
7.4.50.0050.00316.52
7.4.40.0120.00616.42
7.4.30.0200.00016.46
7.4.00.0060.01114.90
7.3.330.0020.00213.04
7.3.320.0000.00513.00
7.3.310.0000.00816.06
7.3.300.0000.00716.09
7.3.290.0090.00916.14
7.3.280.0070.00916.04
7.3.270.0130.00317.40
7.3.260.0030.01316.13
7.3.250.0100.00816.29
7.3.240.0120.00616.52
7.3.230.0030.01316.39
7.3.210.0110.00816.22
7.3.200.0030.01919.39
7.3.190.0060.01016.39
7.3.180.0160.00016.51
7.3.170.0090.00816.27
7.3.160.0100.00616.29
7.3.120.0030.01714.38
7.3.110.0090.01214.46
7.3.100.0030.01214.88
7.3.90.0110.00714.67
7.3.80.0030.00614.53
7.3.70.0100.00714.64
7.3.60.0030.01014.75
7.3.50.0000.01614.55
7.3.40.0030.00914.81
7.3.30.0090.00614.57
7.3.20.0070.00716.32
7.3.10.0100.00716.12
7.3.00.0110.00916.53
7.2.330.0070.01316.03
7.2.320.0150.00316.42
7.2.310.0110.00816.44
7.2.300.0090.00916.18
7.2.290.0070.01016.36
7.2.250.0040.01514.52
7.2.240.0070.01314.86
7.2.230.0060.01015.03
7.2.220.0000.01714.50
7.2.210.0100.00014.99
7.2.200.0060.01214.77
7.2.190.0030.01314.69
7.2.180.0110.00414.95
7.2.170.0030.01214.47
7.2.130.0180.01116.55
7.2.120.0180.00016.34
7.2.110.0300.00416.74
7.2.100.0050.01216.55
7.2.90.0180.00016.73
7.2.80.0080.00916.26
7.2.70.0170.00916.77
7.2.60.0150.00616.44
7.2.50.0210.00316.88
7.2.40.0110.00716.23
7.2.30.0170.00316.55
7.2.20.0140.01016.54
7.2.10.0180.00016.54
7.2.00.0090.00517.96
7.1.330.0060.00915.73
7.1.320.0070.00415.79
7.1.310.0080.00815.42
7.1.300.0070.01015.78
7.1.290.0030.00915.61
7.1.280.0090.00615.66
7.1.270.0070.01015.71
7.1.260.0070.00415.63
7.1.250.0110.00715.51
7.1.100.0110.00017.81
7.1.70.0080.00517.16
7.1.60.0110.01419.22
7.1.50.0040.00816.43
7.1.00.0100.07022.42
7.0.200.0090.00616.73
7.0.140.0070.03022.18
7.0.90.0130.07319.98
7.0.80.0530.05020.12
7.0.70.0430.04719.88
7.0.60.0170.08019.88
7.0.50.0730.07320.31
7.0.40.0000.07320.05
7.0.30.0030.05320.18
7.0.20.0130.07720.13
7.0.10.0130.08020.10
7.0.00.0130.06720.02
5.6.280.0070.06720.98
5.6.240.0100.08020.63
5.6.230.0100.06020.68
5.6.220.0030.08020.67
5.6.210.0000.07720.61
5.6.200.0230.06721.04
5.6.190.0130.07721.07
5.6.180.0030.08321.11
5.6.170.0070.08320.94
5.6.160.0130.05721.13
5.6.150.0030.09320.95
5.6.140.0170.04321.01
5.6.130.0100.04021.01
5.6.120.0100.08021.05
5.6.110.0100.07721.09
5.6.100.0030.05020.97
5.6.90.0130.07321.00
5.6.80.0170.07320.41
5.6.70.0100.06020.47
5.6.60.0100.07720.38
5.6.50.0100.06720.51
5.6.40.0070.05320.23
5.6.30.0100.05020.30
5.6.20.0130.04320.41
5.6.10.0070.04020.35
5.6.00.0100.07320.29
5.5.380.0230.06320.34
5.5.370.0070.05720.35
5.5.360.0100.08020.43
5.5.350.0030.08020.45
5.5.340.0100.07720.82
5.5.330.0030.08320.80
5.5.320.0070.08020.82
5.5.310.0030.08020.85
5.5.300.0030.08020.79
5.5.290.0070.08320.82
5.5.280.0130.05020.77
5.5.270.0070.07020.77
5.5.260.0000.08720.90
5.5.250.0170.07020.44
5.5.240.0130.06720.15
5.5.230.0100.07720.10
5.5.220.0070.08320.27
5.5.210.0030.08720.20
5.5.200.0130.06319.97
5.5.190.0070.05720.11
5.5.180.0070.07719.98
5.5.160.0100.07720.25
5.5.150.0070.08020.16
5.5.140.0100.05720.17
5.5.130.0070.05020.16
5.5.120.0100.07020.26
5.5.110.0070.06020.16
5.5.100.0100.05720.07
5.5.90.0100.03320.10
5.5.80.0000.08320.14
5.5.70.0070.06319.95
5.5.60.0070.06720.09
5.5.50.0070.06020.07
5.5.40.0000.07719.95
5.5.30.0100.07319.91
5.5.20.0100.04020.02
5.5.10.0030.04720.04
5.5.00.0200.06320.02
5.4.450.0070.07319.11
5.4.440.0070.08319.38
5.4.430.0070.06019.13
5.4.420.0070.08319.36
5.4.410.0130.04319.32
5.4.400.0030.08019.03
5.4.390.0030.07719.14
5.4.380.0130.07318.81
5.4.370.0100.05319.11
5.4.360.0070.08318.96
5.4.350.0000.10019.14
5.4.340.0070.04719.03
5.4.320.0030.05019.24
5.4.310.0070.03719.04
5.4.300.0070.04719.11
5.4.290.0000.05719.09
5.4.280.0030.05019.05
5.4.270.0100.07719.07
5.4.260.0130.08019.09
5.4.250.0000.08019.07
5.4.240.0170.07018.93
5.4.230.0100.04018.96
5.4.220.0070.07319.07
5.4.210.0030.07319.22
5.4.200.0030.06319.22
5.4.190.0000.05018.80
5.4.180.0100.06719.01
5.4.170.0000.05018.95
5.4.160.0170.08719.00
5.4.150.0030.08718.76
5.4.140.0130.06016.23
5.4.130.0070.04316.23
5.4.120.0200.05016.31
5.4.110.0100.03716.43
5.4.100.0070.05316.23
5.4.90.0030.04716.30
5.4.80.0170.07016.42
5.4.70.0070.06716.43
5.4.60.0070.07316.41
5.4.50.0070.07016.34
5.4.40.0100.06016.23
5.4.30.0130.06716.41
5.4.20.0100.06316.23
5.4.10.0070.07016.35
5.4.00.0200.03015.76
5.3.290.0130.03714.60
5.3.280.0170.07014.50
5.3.270.0100.06014.45
5.3.260.0100.05014.47
5.3.250.0100.07314.42
5.3.240.0070.04014.45
5.3.230.0100.07314.58
5.3.220.0030.04314.42
5.3.210.0230.05314.42
5.3.200.0100.04714.38
5.3.190.0100.04314.56
5.3.180.0130.07014.52
5.3.170.0070.06714.55
5.3.160.0100.05314.42
5.3.150.0100.06014.56
5.3.140.0070.05014.55
5.3.130.0170.05714.45
5.3.120.0100.07014.53
5.3.110.0100.06714.38
5.3.100.0070.07713.87
5.3.90.0000.06013.87
5.3.80.0070.05313.99
5.3.70.0030.08013.87
5.3.60.0070.04713.96
5.3.50.0070.03313.92
5.3.40.0030.05713.80
5.3.30.0030.06713.76
5.3.20.0030.07313.54
5.3.10.0070.05013.51
5.3.00.0100.07713.40
5.2.170.0000.07010.93
5.2.160.0030.04711.19
5.2.150.0030.04310.95
5.2.140.0030.05311.05
5.2.130.0030.06011.05
5.2.120.0070.06010.93
5.2.110.0070.06010.94
5.2.100.0100.05711.14
5.2.90.0030.04310.94
5.2.80.0100.05011.08
5.2.70.0030.06011.09
5.2.60.0100.07011.07
5.2.50.0000.05310.80
5.2.40.0000.04010.98
5.2.30.0070.07010.96
5.2.20.0030.06711.00
5.2.10.0070.03310.91
5.2.00.0130.05710.72
5.1.60.0030.06010.02
5.1.50.0130.0439.98
5.1.40.0170.0479.98
5.1.30.0030.04310.39
5.1.20.0100.05010.25
5.1.10.0000.06010.11
5.1.00.0030.03710.09
5.0.50.0000.0508.53
5.0.40.0100.0408.39
5.0.30.0000.0478.26
5.0.20.0100.0278.30
5.0.10.0100.0408.25
5.0.00.0030.0578.02
4.4.90.0030.0308.02
4.4.80.0000.0208.02
4.4.70.0000.0308.02
4.4.60.0100.0238.02
4.4.50.0070.0238.02
4.4.40.0030.0538.02
4.4.30.0070.0338.02
4.4.20.0030.0338.02
4.4.10.0000.0378.02
4.4.00.0030.0538.02
4.3.110.0030.0338.02
4.3.100.0030.0178.02
4.3.90.0000.0378.02
4.3.80.0070.0508.02
4.3.70.0030.0138.02
4.3.60.0000.0178.02
4.3.50.0000.0208.02
4.3.40.0030.0278.02
4.3.30.0000.0178.02
4.3.20.0000.0238.02
4.3.10.0000.0408.02
4.3.00.0030.0338.02

preferences:
41.85 ms | 400 KiB | 5 Q