3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode('String "test');

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)
8.3.40.0110.00418.71
8.3.30.0070.00718.42
8.3.20.0030.00518.48
8.3.10.0080.00020.53
8.3.00.0040.00423.61
8.2.170.0090.00622.96
8.2.160.0070.00720.44
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0030.00526.16
8.2.120.0080.00019.36
8.2.110.0090.00022.43
8.2.100.0040.00717.78
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0070.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0090.00017.91
8.2.20.0000.00717.65
8.2.10.0030.00517.53
8.2.00.0040.00417.43
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0080.00022.11
8.1.230.0080.00317.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0040.00717.23
8.1.190.0040.00417.28
8.1.180.0070.00018.10
8.1.170.0040.00418.84
8.1.160.0020.00518.85
8.1.150.0040.00418.41
8.1.140.0070.00017.44
8.1.130.0070.00017.79
8.1.120.0050.00317.35
8.1.110.0040.00417.35
8.1.100.0040.00417.32
8.1.90.0000.00817.32
8.1.80.0000.00717.27
8.1.70.0030.00317.27
8.1.60.0030.00617.41
8.1.50.0030.00617.33
8.1.40.0000.00717.29
8.1.30.0000.00817.39
8.1.20.0040.00417.38
8.1.10.0000.00717.48
8.1.00.0040.00417.36
8.0.300.0070.00018.77
8.0.290.0070.00316.63
8.0.280.0000.00718.37
8.0.270.0030.00517.14
8.0.260.0070.00018.41
8.0.250.0040.00416.80
8.0.240.0050.00216.88
8.0.230.0030.00316.79
8.0.220.0000.00716.73
8.0.210.0030.00316.75
8.0.200.0030.00316.78
8.0.190.0000.00716.72
8.0.180.0070.00016.78
8.0.170.0040.00316.82
8.0.160.0080.00016.86
8.0.150.0000.00816.65
8.0.140.0070.00016.72
8.0.130.0000.00513.18
8.0.120.0040.00416.62
8.0.110.0000.00716.60
8.0.100.0030.00516.86
8.0.90.0000.00816.70
8.0.80.0000.01416.68
8.0.70.0030.00316.63
8.0.60.0030.00516.62
8.0.50.0030.00316.82
8.0.30.0110.01316.93
8.0.20.0130.00817.40
8.0.10.0000.00717.00
8.0.00.0030.01416.69
7.4.330.0020.00214.53
7.4.320.0000.00616.45
7.4.300.0060.00016.38
7.4.290.0000.00716.38
7.4.280.0080.00016.35
7.4.270.0000.00716.48
7.4.260.0030.00313.06
7.4.250.0000.00816.44
7.4.240.0070.00016.37
7.4.230.0000.00716.15
7.4.220.0030.01416.47
7.4.210.0080.00616.43
7.4.200.0030.00416.27
7.4.190.0070.00016.54
7.4.160.0110.00416.43
7.4.150.0190.00317.40
7.4.140.0050.01317.86
7.4.130.0070.01116.35
7.4.120.0060.01116.24
7.4.110.0040.01216.32
7.4.100.0080.01616.45
7.4.90.0120.00616.26
7.4.80.0040.01419.04
7.4.70.0100.00716.18
7.4.60.0070.01316.26
7.4.50.0060.00316.48
7.4.40.0030.01422.27
7.4.30.0120.00916.38
7.4.00.0130.00314.80
7.3.330.0020.00213.03
7.3.320.0030.00312.94
7.3.310.0090.00016.21
7.3.300.0000.00616.07
7.3.290.0030.01416.17
7.3.280.0050.00916.12
7.3.270.0100.00717.40
7.3.260.0130.00718.24
7.3.250.0130.00816.20
7.3.240.0060.01116.01
7.3.230.0090.00616.39
7.3.210.0030.01316.20
7.3.200.0030.01419.39
7.3.190.0130.00316.49
7.3.180.0100.01016.14
7.3.170.0090.00616.27
7.3.160.0130.00416.32
7.3.120.0000.01514.84
7.3.110.0070.00714.68
7.3.100.0070.00714.91
7.3.90.0110.00414.89
7.3.80.0000.01714.54
7.3.70.0070.00714.66
7.3.60.0080.00814.79
7.3.50.0080.00814.65
7.3.40.0000.01214.67
7.3.30.0090.00614.75
7.3.20.0030.01016.32
7.3.10.0040.01216.38
7.3.00.0030.01016.66
7.2.330.0140.00916.56
7.2.320.0120.00316.50
7.2.310.0130.01016.64
7.2.300.0090.00916.26
7.2.290.0060.01216.33
7.2.240.0090.00614.73
7.2.230.0050.00814.86
7.2.220.0000.01115.13
7.2.210.0070.01015.06
7.2.200.0070.01014.57
7.2.190.0060.01014.82
7.2.180.0120.00614.72
7.2.170.0060.00614.98
7.2.160.0100.00714.78
7.2.150.0120.00016.61
7.2.140.0110.00616.77
7.2.130.0070.01016.79
7.2.120.0030.00716.87
7.2.110.0070.00716.58
7.2.100.0030.00916.82
7.2.90.0080.00616.89
7.2.80.0100.00716.62
7.2.70.0030.01316.67
7.2.60.0100.00616.88
7.2.50.0150.00016.84
7.2.40.0050.00516.84
7.2.30.0050.00516.74
7.2.20.0070.01016.86
7.2.10.0090.00616.48
7.2.00.0030.00616.67
7.1.330.0000.01115.77
7.1.320.0110.00315.77
7.1.310.0040.00815.45
7.1.300.0110.00715.40
7.1.290.0080.00415.58
7.1.280.0100.00715.49
7.1.270.0070.01015.68
7.1.260.0100.00315.60
7.1.250.0100.00315.88
7.1.70.0030.00617.07
7.1.60.0070.01419.40
7.1.50.0090.01316.82
7.1.00.0000.04022.30
7.0.200.0030.00716.71
7.0.140.0000.07722.00
7.0.90.0130.08019.97
7.0.80.0230.07319.96
7.0.70.0030.06019.94
7.0.60.0130.06719.83
7.0.50.0170.07020.25
7.0.40.0130.04020.12
7.0.30.0030.08020.02
7.0.20.0130.07320.11
7.0.10.0070.08319.95
7.0.00.0070.08020.07
5.6.280.0070.06321.08
5.6.240.0100.07320.59
5.6.230.0070.05320.56
5.6.220.0130.06720.60
5.6.210.0100.07320.74
5.6.200.0130.07321.02
5.6.190.0130.08020.93
5.6.180.0100.07721.02
5.6.170.0100.08321.13
5.6.160.0030.07021.05
5.6.150.0070.08021.14
5.6.140.0130.07021.02
5.6.130.0130.07721.07
5.6.120.0070.08721.05
5.6.110.0100.07021.02
5.6.100.0170.06020.99
5.6.90.0170.05721.01
5.6.80.0130.07720.54
5.6.70.0070.08020.44
5.6.60.0100.05020.45
5.6.50.0070.08320.42
5.6.40.0030.07320.39
5.6.30.0130.03320.45
5.6.20.0030.08320.48
5.6.10.0070.07320.39
5.6.00.0070.08320.51
5.5.380.0000.07020.39
5.5.370.0070.08020.34
5.5.360.0130.08320.43
5.5.350.0030.07020.39
5.5.340.0070.08320.77
5.5.330.0100.08020.91
5.5.320.0100.06720.61
5.5.310.0100.07020.63
5.5.300.0070.08320.85
5.5.290.0070.08720.76
5.5.280.0130.07720.92
5.5.270.0070.08020.86
5.5.260.0130.07720.87
5.5.250.0130.07720.73
5.5.240.0030.08320.30
5.5.230.0130.07720.20
5.5.220.0130.04020.26
5.5.210.0070.08020.27
5.5.200.0070.07720.12
5.5.190.0070.04720.27
5.5.180.0170.07720.11
5.5.160.0030.07720.20
5.5.150.0170.06720.26
5.5.140.0070.05020.10
5.5.130.0070.04020.25
5.5.120.0130.06020.13
5.5.110.0070.07720.09
5.5.100.0070.08020.07
5.5.90.0030.08020.00
5.5.80.0030.04320.09
5.5.70.0030.05020.02
5.5.60.0030.08320.02
5.5.50.0030.08020.14
5.5.40.0100.07720.10
5.5.30.0070.07020.05
5.5.20.0170.07019.94
5.5.10.0170.07020.10
5.5.00.0030.04019.99
5.4.450.0130.08019.11
5.4.440.0030.08719.11
5.4.430.0070.04019.39
5.4.420.0100.04019.44
5.4.410.0000.08319.32
5.4.400.0070.07319.13
5.4.390.0070.05318.79
5.4.380.0030.07019.03
5.4.370.0030.08019.03
5.4.360.0070.07718.98
5.4.350.0070.05319.17
5.4.340.0030.06019.03
5.4.320.0030.08019.00
5.4.310.0000.05018.98
5.4.300.0030.03719.09
5.4.290.0100.06718.98
5.4.280.0100.03318.80
5.4.270.0100.06719.04
5.4.260.0030.04718.84
5.4.250.0030.08318.96
5.4.240.0100.06719.05
5.4.230.0030.07719.04
5.4.220.0130.03318.75
5.4.210.0170.07018.78
5.4.200.0030.07319.02
5.4.190.0030.07718.97
5.4.180.0030.05319.10
5.4.170.0030.05319.01
5.4.160.0100.07019.00
5.4.150.0130.07719.07
5.4.140.0070.04316.34
5.4.130.0100.05716.33
5.4.120.0030.07016.23
5.4.110.0130.04016.21
5.4.100.0070.04016.34
5.4.90.0070.07016.25
5.4.80.0070.05316.21
5.4.70.0100.06316.22
5.4.60.0100.03316.28
5.4.50.0130.06716.19
5.4.40.0030.04316.23
5.4.30.0030.03716.14
5.4.20.0070.06716.42
5.4.10.0100.06316.23
5.4.00.0100.06715.68
5.3.290.0030.08314.49
5.3.280.0170.06714.45
5.3.270.0070.07714.59
5.3.260.0100.07314.56
5.3.250.0130.06714.59
5.3.240.0070.06714.43
5.3.230.0070.05714.55
5.3.220.0070.06714.54
5.3.210.0000.06714.55
5.3.200.0130.06014.47
5.3.190.0100.05714.42
5.3.180.0070.06014.44
5.3.170.0070.05714.51
5.3.160.0100.04014.41
5.3.150.0130.06714.38
5.3.140.0070.07314.54
5.3.130.0070.07714.52
5.3.120.0100.07014.53
5.3.110.0100.06014.48
5.3.100.0100.06714.01
5.3.90.0100.07314.01
5.3.80.0030.05013.86
5.3.70.0070.07313.97
5.3.60.0070.07014.00
5.3.50.0070.07313.89
5.3.40.0070.05013.79
5.3.30.0030.07713.86
5.3.20.0130.07013.68
5.3.10.0130.06013.63
5.3.00.0070.06713.63
5.2.170.0070.04311.20
5.2.160.0130.03710.95
5.2.150.0030.05311.16
5.2.140.0100.05711.20
5.2.130.0100.05311.09
5.2.120.0030.04011.09
5.2.110.0100.05011.09
5.2.100.0030.06711.18
5.2.90.0130.05711.05
5.2.80.0070.05711.07
5.2.70.0000.04311.08
5.2.60.0030.04710.97
5.2.50.0030.06011.09
5.2.40.0100.05011.04
5.2.30.0030.03311.02
5.2.20.0030.06310.95
5.2.10.0030.05310.86
5.2.00.0030.03710.62
5.1.60.0000.05310.01
5.1.50.0030.0539.83
5.1.40.0070.0409.99
5.1.30.0100.04710.38
5.1.20.0030.05710.37
5.1.10.0000.05710.07
5.1.00.0030.04310.12
5.0.50.0000.0278.54
5.0.40.0000.0308.38
5.0.30.0000.0608.20
5.0.20.0070.0408.26
5.0.10.0030.0438.26
5.0.00.0030.0608.20
4.4.90.0030.0307.24
4.4.80.0030.0177.24
4.4.70.0000.0377.24
4.4.60.0030.0337.24
4.4.50.0070.0337.24
4.4.40.0000.0377.24
4.4.30.0030.0337.24
4.4.20.0000.0307.24
4.4.10.0000.0237.24
4.4.00.0000.0507.24
4.3.110.0000.0377.24
4.3.100.0030.0237.24
4.3.90.0030.0307.24
4.3.80.0000.0537.24
4.3.70.0070.0307.24
4.3.60.0030.0277.24
4.3.50.0000.0377.24
4.3.40.0000.0437.24
4.3.30.0000.0337.24
4.3.20.0030.0277.24
4.3.10.0000.0207.24
4.3.00.0000.0177.24

preferences:
44.15 ms | 400 KiB | 5 Q