3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo rawurlencode(json_encode(['ciao' => 'x', 'pippo' => 'pluto']));

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)
8.3.60.0100.00718.31
8.3.50.0120.00821.99
8.3.40.0110.00418.60
8.3.30.0180.00318.54
8.3.20.0020.00518.52
8.3.10.0080.00020.92
8.3.00.0050.00323.39
8.2.180.0100.00718.04
8.2.170.0150.00622.96
8.2.160.0100.00320.41
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00721.18
8.2.110.0060.00320.35
8.2.100.0120.00017.71
8.2.90.0000.00819.21
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0030.00517.99
8.2.50.0040.00718.07
8.2.40.0040.00417.89
8.2.30.0000.00719.43
8.2.20.0050.00217.56
8.2.10.0070.00017.46
8.2.00.0030.00617.59
8.1.280.0130.00725.92
8.1.270.0040.00423.99
8.1.260.0120.00626.35
8.1.250.0080.00028.09
8.1.240.0000.00922.25
8.1.230.0090.00317.42
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.09
8.1.190.0030.00517.27
8.1.180.0000.00818.10
8.1.170.0080.00018.66
8.1.160.0000.00718.63
8.1.150.0050.00318.54
8.1.140.0000.00717.22
8.1.130.0070.00017.78
8.1.120.0040.00417.39
8.1.110.0040.00417.36
8.1.100.0000.00717.29
8.1.90.0000.00817.27
8.1.80.0040.00417.33
8.1.70.0070.00017.30
8.1.60.0090.00317.35
8.1.50.0040.00417.28
8.1.40.0050.00217.27
8.1.30.0060.00317.56
8.1.20.0030.00517.56
8.1.10.0040.00417.44
8.1.00.0030.00917.34
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.29
8.0.270.0080.00017.17
8.0.260.0000.00816.80
8.0.250.0050.00316.85
8.0.240.0040.00416.75
8.0.230.0000.00716.85
8.0.220.0030.00316.79
8.0.210.0000.00816.74
8.0.200.0030.00316.80
8.0.190.0000.00716.77
8.0.180.0080.00016.77
8.0.170.0000.00716.79
8.0.160.0040.00416.64
8.0.150.0070.00016.59
8.0.140.0000.00716.62
8.0.130.0030.00313.12
8.0.120.0040.00416.73
8.0.110.0000.00716.68
8.0.100.0040.00416.54
8.0.90.0080.00016.63
8.0.80.0060.01316.81
8.0.70.0000.00716.79
8.0.60.0000.00716.78
8.0.50.0040.00416.79
8.0.30.0050.01317.04
8.0.20.0110.00717.40
8.0.10.0030.00316.82
8.0.00.0110.00916.63
7.4.330.0000.00516.76
7.4.320.0000.00716.46
7.4.300.0060.00016.36
7.4.290.0000.00716.37
7.4.280.0030.00316.43
7.4.270.0040.00816.34
7.4.260.0050.00013.12
7.4.250.0000.00816.23
7.4.240.0000.00716.39
7.4.230.0030.00516.25
7.4.220.0190.00016.16
7.4.210.0090.01016.43
7.4.200.0070.00016.44
7.4.190.0030.00316.54
7.4.160.0150.00016.39
7.4.150.0070.01117.40
7.4.140.0120.00417.86
7.4.130.0050.01216.44
7.4.120.0050.01416.32
7.4.110.0080.01516.57
7.4.100.0150.00316.46
7.4.90.0120.00916.30
7.4.80.0140.00319.39
7.4.70.0070.01116.40
7.4.60.0120.00616.50
7.4.50.0040.00416.21
7.4.40.0030.00922.77
7.4.30.0170.00016.57
7.4.00.0100.00314.83
7.3.330.0000.00613.05
7.3.320.0000.00713.00
7.3.310.0000.00615.97
7.3.300.0030.00316.13
7.3.290.0110.00416.12
7.3.280.0100.00716.12
7.3.270.0130.00417.40
7.3.260.0130.00918.24
7.3.250.0140.00616.28
7.3.240.0070.01016.52
7.3.230.0080.00816.39
7.3.210.0090.00616.15
7.3.200.0090.01319.39
7.3.190.0040.01216.43
7.3.180.0100.01016.48
7.3.170.0130.00316.27
7.3.160.0120.00416.57
7.3.120.0100.00314.59
7.2.330.0090.00616.54
7.2.320.0170.00016.41
7.2.310.0030.01416.49
7.2.300.0110.00716.23
7.2.290.0100.00716.68
7.2.00.0120.00319.36
7.1.100.0030.00618.02
7.1.70.0070.00317.16
7.1.60.0000.01117.19
7.1.50.0030.01016.83
7.1.00.0030.03722.28
7.0.200.0000.01216.79
7.0.140.0030.07322.07
7.0.90.0130.08019.93
7.0.80.0500.05719.84
7.0.70.0300.07019.86
7.0.60.0100.06019.87
7.0.50.0270.06720.34
7.0.40.0030.04720.14
7.0.30.0030.08720.05
7.0.20.0100.04720.18
7.0.10.0070.08719.95
7.0.00.0070.08720.22
5.6.280.0030.07021.08
5.6.240.0030.08020.68
5.6.230.0030.05020.58
5.6.220.0070.09020.65
5.6.210.0070.07720.57
5.6.200.0130.08721.13
5.6.190.0100.08020.95
5.6.180.0170.07721.10
5.6.170.0070.07321.01
5.6.160.0030.07321.11
5.6.150.0100.08720.91
5.6.140.0130.07021.02
5.6.130.0100.07721.10
5.6.120.0070.07021.01
5.6.110.0100.08021.06
5.6.100.0070.04721.05
5.6.90.0100.07721.00
5.6.80.0170.07320.49
5.6.70.0070.07020.40
5.6.60.0030.08720.46
5.6.50.0000.06720.48
5.6.40.0130.05020.30
5.6.30.0100.05720.38
5.6.20.0030.04720.38
5.6.10.0030.07020.30
5.6.00.0170.05320.44
5.5.380.0000.04320.39
5.5.370.0200.07320.41
5.5.360.0100.08020.49
5.5.350.0170.08020.41
5.5.340.0100.08720.79
5.5.330.0070.04720.86
5.5.320.0000.08320.64
5.5.310.0070.08020.81
5.5.300.0070.08020.73
5.5.290.0070.05020.89
5.5.280.0100.07720.82
5.5.270.0070.08020.89
5.5.260.0030.05720.74
5.5.250.0030.04720.53
5.5.240.0130.06720.27
5.5.230.0070.07320.27
5.5.220.0170.04020.16
5.5.210.0030.07720.23
5.5.200.0100.06020.19
5.5.190.0070.03720.15
5.5.180.0100.06320.10
5.5.160.0170.05720.20
5.5.150.0070.07720.09
5.5.140.0130.07020.26
5.5.130.0000.08019.98
5.5.120.0130.06020.25
5.5.110.0230.06320.20
5.5.100.0000.04720.15
5.5.90.0030.08020.10
5.5.80.0130.07020.00
5.5.70.0030.08319.99
5.5.60.0130.06719.99
5.5.50.0100.04020.09
5.5.40.0030.08020.06
5.5.30.0070.07720.04
5.5.20.0100.07720.07
5.5.10.0130.07020.00
5.5.00.0100.04720.00
5.4.450.0100.07719.41
5.4.440.0070.08019.30
5.4.430.0000.06019.12
5.4.420.0170.06719.43
5.4.410.0030.06319.31
5.4.400.0100.06019.23
5.4.390.0030.07318.94
5.4.380.0070.07019.07
5.4.370.0100.07018.81
5.4.360.0100.05019.10
5.4.350.0000.04718.81
5.4.340.0100.07719.04
5.4.320.0070.06718.78
5.4.310.0030.08319.11
5.4.300.0000.06318.93
5.4.290.0100.06019.22
5.4.280.0000.07719.11
5.4.270.0070.04718.96
5.4.260.0100.07019.04
5.4.250.0100.03318.80
5.4.240.0000.05719.12
5.4.230.0130.03718.80
5.4.220.0070.07718.93
5.4.210.0030.04718.96
5.4.200.0070.05718.96
5.4.190.0070.07319.11
5.4.180.0070.07019.10
5.4.170.0070.07319.02
5.4.160.0070.04318.88
5.4.150.0070.06718.96
5.4.140.0130.05716.02
5.4.130.0000.06716.31
5.4.120.0070.07316.23
5.4.110.0100.03716.39
5.4.100.0100.07016.21
5.4.90.0030.04716.54
5.4.80.0070.07016.24
5.4.70.0070.04316.39
5.4.60.0030.06716.24
5.4.50.0000.04716.19
5.4.40.0030.07016.38
5.4.30.0000.04016.23
5.4.20.0030.06716.18
5.4.10.0170.04316.28
5.4.00.0070.07015.88
5.3.290.0070.07314.66
5.3.280.0000.08014.55
5.3.270.0070.08314.45
5.3.260.0070.05714.60
5.3.250.0030.07314.59
5.3.240.0100.06714.60
5.3.230.0100.04314.54
5.3.220.0100.03714.48
5.3.210.0000.08014.43
5.3.200.0070.06014.53
5.3.190.0070.07014.55
5.3.180.0070.06714.52
5.3.170.0100.07014.55
5.3.160.0070.04314.42
5.3.150.0030.07714.52
5.3.140.0070.04714.55
5.3.130.0030.04314.51
5.3.120.0100.03714.54
5.3.110.0130.06714.46
5.3.100.0030.06714.04
5.3.90.0070.07714.02
5.3.80.0130.05013.87
5.3.70.0070.07313.99
5.3.60.0070.06013.99
5.3.50.0030.06013.80
5.3.40.0070.04313.94
5.3.30.0070.07013.90
5.3.20.0030.07313.71
5.3.10.0170.04713.64
5.3.00.0070.03713.64
5.2.170.0130.06311.00
5.2.160.0030.05710.99
5.2.150.0000.05711.06
5.2.140.0070.03311.18
5.2.130.0130.06010.89
5.2.120.0000.06311.10
5.2.110.0030.04711.06
5.2.100.0130.04011.12
5.2.90.0070.04311.09
5.2.80.0070.04011.13
5.2.70.0030.03011.09
5.2.60.0030.05311.06
5.2.50.0030.03311.01
5.2.40.0100.05311.06
5.2.30.0030.03710.80
5.2.20.0030.04010.88
5.2.10.0000.06310.92
5.2.00.0100.03710.62
5.1.60.0070.0279.95
5.1.50.0030.03710.05
5.1.40.0100.0479.86
5.1.30.0000.04010.24
5.1.20.0070.05710.28
5.1.10.0070.02710.09
5.1.00.0100.05010.11
5.0.50.0030.0378.42
5.0.40.0070.0208.30
5.0.30.0030.0438.21
5.0.20.0000.0378.27
5.0.10.0030.0408.26
5.0.00.0030.0638.15
4.4.90.0100.0237.11
4.4.80.0000.0277.11
4.4.70.0030.0337.11
4.4.60.0000.0307.11
4.4.50.0030.0337.11
4.4.40.0000.0537.11
4.4.30.0000.0407.11
4.4.20.0030.0337.11
4.4.10.0030.0277.11
4.4.00.0030.0537.11
4.3.110.0000.0207.11
4.3.100.0030.0377.11
4.3.90.0070.0277.11
4.3.80.0000.0537.11
4.3.70.0000.0307.11
4.3.60.0030.0237.11
4.3.50.0030.0437.11
4.3.40.0000.0507.11
4.3.30.0000.0207.11
4.3.20.0030.0337.11
4.3.10.0030.0337.11
4.3.00.0030.0337.11

preferences:
42.23 ms | 401 KiB | 5 Q