3v4l.org

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

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)
8.3.60.0150.00018.30
8.3.50.0060.01321.99
8.3.40.0040.01118.84
8.3.30.0110.00418.79
8.3.20.0070.00020.26
8.3.10.0040.00421.96
8.3.00.0040.00422.31
8.2.180.0030.01716.38
8.2.170.0120.00322.96
8.2.160.0060.00920.78
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0100.00017.63
8.2.110.0050.00522.13
8.2.100.0000.01217.91
8.2.90.0040.00417.63
8.2.80.0030.00617.97
8.2.70.0040.00417.66
8.2.60.0050.00318.09
8.2.50.0000.00718.10
8.2.40.0090.00020.61
8.2.30.0000.00718.04
8.2.20.0040.00417.62
8.2.10.0000.00817.48
8.2.00.0030.00617.59
8.1.280.0070.00725.92
8.1.270.0060.00322.11
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00022.14
8.1.230.0090.00319.11
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00617.00
8.1.190.0000.00817.11
8.1.180.0000.00818.10
8.1.170.0060.00318.59
8.1.160.0000.00821.91
8.1.150.0060.00618.49
8.1.140.0000.00817.29
8.1.130.0030.00317.71
8.1.120.0000.00717.35
8.1.110.0040.00417.37
8.1.100.0070.00017.19
8.1.90.0040.00417.36
8.1.80.0040.00417.38
8.1.70.0000.00817.23
8.1.60.0090.00017.43
8.1.50.0000.00817.27
8.1.40.0040.00517.28
8.1.30.0110.00617.34
8.1.20.0130.00317.43
8.1.10.0130.00417.38
8.1.00.0100.00617.30
8.0.300.0070.00019.82
8.0.290.0000.00716.63
8.0.280.0030.00318.37
8.0.270.0070.00017.22
8.0.260.0060.00016.73
8.0.250.0030.00316.86
8.0.240.0000.00716.79
8.0.230.0000.00716.83
8.0.220.0030.00316.68
8.0.210.0070.00016.75
8.0.200.0060.00016.86
8.0.190.0100.00016.82
8.0.180.0000.00816.70
8.0.170.0100.00516.72
8.0.160.0110.00316.67
8.0.150.0100.00516.69
8.0.140.0090.00316.64
8.0.130.0070.00714.89
8.0.120.0090.00616.66
8.0.110.0110.00416.56
8.0.100.0070.00716.58
8.0.90.0090.00516.74
8.0.80.0130.00416.64
8.0.70.0100.00416.64
8.0.60.0080.00716.55
8.0.50.0070.00616.57
8.0.30.0170.00316.77
8.0.20.0150.00417.17
8.0.10.0090.00616.83
8.0.00.0100.00716.67
7.4.330.0000.00515.07
7.4.320.0000.00616.47
7.4.300.0030.00316.46
7.4.290.0000.00716.47
7.4.280.0120.00116.30
7.4.270.0100.00316.26
7.4.260.0090.00716.39
7.4.250.0130.00316.43
7.4.240.0060.00616.37
7.4.230.0100.00316.22
7.4.220.0060.01016.35
7.4.210.0100.00716.44
7.4.200.0060.00716.37
7.4.190.0070.00616.30
7.4.180.0080.00816.25
7.4.160.0110.00716.38
7.4.150.0120.00916.89
7.4.140.0080.01117.27
7.4.130.0140.00516.37
7.4.120.0120.00716.38
7.4.110.0110.00716.31
7.4.100.0070.01016.28
7.4.90.0100.00916.23
7.4.80.0170.00417.79
7.4.70.0120.00716.32
7.4.60.0170.01516.28
7.4.50.0080.00816.21
7.4.40.0120.00618.46
7.4.30.0120.00916.29
7.4.20.0120.00616.32
7.4.10.0070.01216.34
7.4.00.0110.00715.82
7.3.330.0080.00414.49
7.3.320.0100.00214.42
7.3.310.0110.00216.07
7.3.300.0090.00315.99
7.3.290.0150.00416.01
7.3.280.0110.00716.08
7.3.270.0160.00516.65
7.3.260.0140.00716.28
7.3.250.0140.00716.29
7.3.240.0140.00516.19
7.3.230.0120.00616.21
7.3.220.0160.00416.04
7.3.210.0150.00416.19
7.3.200.0100.00717.62
7.3.190.0130.00616.20
7.3.180.0140.00516.28
7.3.170.0140.00516.28
7.3.160.0110.00815.94
7.3.150.0140.00616.03
7.3.140.0110.00616.18
7.3.130.0140.00516.17
7.3.120.0100.00815.75
7.3.110.0130.00716.07
7.3.100.0140.00515.92
7.3.90.0150.00516.27
7.3.80.0140.00515.98
7.3.70.0110.01016.24
7.3.60.0230.01016.15
7.3.50.0140.00816.03
7.3.40.0120.00716.08
7.3.30.0130.00616.26
7.3.20.0140.00716.13
7.3.10.0160.00516.17
7.3.00.0110.00816.05
7.2.340.0130.00716.18
7.2.330.0120.00716.24
7.2.320.0110.00816.17
7.2.310.0110.00716.17
7.2.300.0120.00816.19
7.2.290.0120.00716.24
7.2.280.0170.00416.27
7.2.270.0120.00716.33
7.2.260.0140.00716.27
7.2.250.0120.00716.20
7.2.240.0100.00916.28
7.2.230.0120.00916.29
7.2.220.0190.00216.13
7.2.210.0080.01116.21
7.2.200.0150.00716.38
7.2.190.0170.00416.26
7.2.180.0090.01016.44
7.2.170.0120.00816.35
7.2.160.0140.01016.24
7.2.150.0200.00216.26
7.2.140.0140.00816.43
7.2.130.0150.00516.42
7.2.120.0120.01016.46
7.2.110.0130.00716.27
7.2.100.0080.01116.54
7.2.90.0140.00816.39
7.2.80.0140.00916.37
7.2.70.0180.00216.29
7.2.60.0260.00216.18
7.2.50.0110.00816.45
7.2.40.0110.00816.45
7.2.30.0140.00716.36
7.2.20.0140.00716.28
7.2.10.0140.00616.25
7.2.00.0200.00916.34
7.1.330.0150.01115.45
7.1.320.0160.00615.30
7.1.310.0150.00815.51
7.1.300.0220.00515.36
7.1.290.0210.00415.28
7.1.280.0340.00515.41
7.1.270.0190.00315.44
7.1.260.0180.00415.47
7.1.250.0140.00915.19
7.1.240.0150.00815.12
7.1.230.0170.00515.19
7.1.220.0200.00315.36
7.1.210.0190.00615.27
7.1.200.0120.01115.40
7.1.190.0150.00615.37
7.1.180.0390.00515.20
7.1.170.0180.00215.20
7.1.160.0200.00415.35
7.1.150.0160.00615.36
7.1.140.0110.00815.21
7.1.130.0120.00815.26
7.1.120.0100.01115.33
7.1.110.0190.00515.29
7.1.100.0170.00515.15
7.1.90.0180.00615.29
7.1.80.0170.00615.29
7.1.70.0110.00815.73
7.1.60.0150.00916.88
7.1.50.0180.01015.72
7.1.40.0110.01115.45
7.1.30.0150.00515.19
7.1.20.0110.00915.32
7.1.10.0160.00315.25
7.1.00.0110.02817.63
7.0.330.0190.00414.88
7.0.320.0140.01014.98
7.0.310.0230.00814.84
7.0.300.0280.00714.95
7.0.290.0140.00814.89
7.0.280.0160.00814.93
7.0.270.0190.00515.02
7.0.260.0180.00914.96
7.0.250.0140.00915.07
7.0.240.0180.00615.14
7.0.230.0200.00615.06
7.0.220.0180.00515.02
7.0.210.0230.00214.95
7.0.200.0080.01015.45
7.0.190.0190.00715.07
7.0.180.0240.00815.07
7.0.170.0180.00515.20
7.0.160.0190.00415.08
7.0.150.0190.00414.98
7.0.140.0130.02717.46
7.0.130.0180.00615.05
7.0.120.0190.00314.97
7.0.110.0160.00714.92
7.0.100.0200.00814.95
7.0.90.0120.03516.60
7.0.80.0170.03216.55
7.0.70.0110.02916.58
7.0.60.0160.02016.68
7.0.50.0120.02916.68
7.0.40.0100.03516.66
7.0.30.0140.03616.64
7.0.20.0150.03116.49
7.0.10.0090.03516.58
7.0.00.0130.02016.64
5.6.400.0160.01015.53
5.6.390.0150.01115.77
5.6.380.0210.00515.70
5.6.370.0180.00815.77
5.6.360.0180.00915.81
5.6.350.0140.00915.76
5.6.340.0160.00715.62
5.6.330.0210.00515.65
5.6.320.0150.01015.62
5.6.310.0150.01115.75
5.6.300.0190.00715.60
5.6.290.0180.00615.72
5.6.280.0130.03117.55
5.6.270.0180.00715.72
5.6.260.0170.00715.56
5.6.250.0160.00915.62
5.6.240.0100.03617.32
5.6.230.0150.03117.41
5.6.220.0090.03517.33
5.6.210.0130.03317.20
5.6.200.0200.02517.47
5.6.190.0190.03217.56
5.6.180.0100.03517.50
5.6.170.0140.03417.58
5.6.160.0150.03017.44
5.6.150.0110.03217.53
5.6.140.0150.02017.56
5.6.130.0130.03317.47
5.6.120.0120.03517.38
5.6.110.0130.02517.40
5.6.100.0170.02017.42
5.6.90.0150.02817.54
5.6.80.0120.02117.10
5.6.70.0150.02017.18
5.6.60.0140.02817.22
5.6.50.0150.03317.20
5.6.40.0090.03217.20
5.6.30.0160.02917.10
5.6.20.0190.02617.16
5.6.10.0150.03017.14
5.6.00.0110.02117.07
5.5.380.0110.03217.21
5.5.370.0160.02817.23
5.5.360.0160.03117.08
5.5.350.0160.02917.19
5.5.340.0130.03417.29
5.5.330.0160.03217.36
5.5.320.0130.01917.34
5.5.310.0170.02017.28
5.5.300.0140.01717.12
5.5.290.0110.03417.36
5.5.280.0130.03517.20
5.5.270.0170.01917.37
5.5.260.0120.02217.22
5.5.250.0140.02417.27
5.5.240.0100.02517.06
5.5.230.0110.02517.17
5.5.220.0120.03117.28
5.5.210.0120.03517.15
5.5.200.0170.02717.00
5.5.190.0130.02817.07
5.5.180.0150.02817.13
5.5.170.0180.00615.31
5.5.160.0130.02917.10
5.5.150.0160.02716.94
5.5.140.0150.02017.02
5.5.130.0090.02716.98
5.5.120.0130.01617.18
5.5.110.0090.03417.01
5.5.100.0160.03017.10
5.5.90.0110.03317.11
5.5.80.0140.03016.96
5.5.70.0120.03317.03
5.5.60.0140.02317.14
5.5.50.0190.02317.04
5.5.40.0100.03017.06
5.5.30.0120.03017.02
5.5.20.0140.02816.95
5.5.10.0180.02617.07
5.5.00.0150.02117.03
5.4.450.0140.02914.59
5.4.440.0100.02914.78
5.4.430.0150.02414.60
5.4.420.0110.02814.71
5.4.410.0140.03014.60
5.4.400.0110.02814.56
5.4.390.0110.03014.50
5.4.380.0110.02114.50
5.4.370.0090.02514.63
5.4.360.0140.02514.53
5.4.350.0120.01914.57
5.4.340.0060.02314.53
5.4.330.0120.00712.31
5.4.320.0090.03114.58
5.4.310.0140.02414.44
5.4.300.0150.02514.74
5.4.290.0100.02914.42
5.4.280.0090.02014.46
5.4.270.0080.02814.61
5.4.260.0090.03114.62
5.4.250.0090.03014.49
5.4.240.0080.03314.43
5.4.230.0070.02114.45
5.4.220.0100.03014.59
5.4.210.0150.02614.53
5.4.200.0140.02714.54
5.4.190.0130.01814.54
5.4.180.0090.02214.42
5.4.170.0110.02914.53
5.4.160.0080.02914.53
5.4.150.0100.02914.57
5.4.140.0120.02613.66
5.4.130.0100.02513.65
5.4.120.0100.02813.65
5.4.110.0090.03013.69
5.4.100.0140.02513.67
5.4.90.0120.01913.68
5.4.80.0110.02713.64
5.4.70.0080.02813.70
5.4.60.0100.01713.71
5.4.50.0160.02013.57
5.4.40.0100.02713.74
5.4.30.0130.01913.62
5.4.20.0110.02713.59
5.4.10.0120.01513.73
5.4.00.0060.02613.40
5.3.290.0100.02613.44
5.3.280.0130.02913.50
5.3.270.0110.02613.41
5.3.260.0110.02513.58
5.3.250.0140.01913.43
5.3.240.0110.02913.27
5.3.230.0120.01513.36
5.3.220.0130.02713.34
5.3.210.0120.02813.25
5.3.200.0060.03113.28
5.3.190.0100.03113.20
5.3.180.0100.02713.47
5.3.170.0110.02113.43
5.3.160.0160.02313.47
5.3.150.0070.03113.34
5.3.140.0110.02313.40
5.3.130.0090.02013.35
5.3.120.0140.02013.42
5.3.110.0120.01813.36
5.3.100.0120.02013.15
5.3.90.0090.02813.18
5.3.80.0110.02613.15
5.3.70.0100.01813.15
5.3.60.0080.03113.14
5.3.50.0090.02013.24
5.3.40.0080.03013.02
5.3.30.0160.01913.18
5.3.20.0100.02313.05
5.3.10.0110.01812.87
5.3.00.0110.01312.96

preferences:
56.02 ms | 401 KiB | 5 Q