3v4l.org

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

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)
8.4.140.0150.00817.48
8.4.130.0110.01018.36
8.4.120.0280.00820.64
8.4.110.0270.00818.81
8.4.100.0260.00917.49
8.4.90.0260.01017.33
8.4.80.0240.01117.48
8.4.70.0140.00517.63
8.4.60.0140.01118.13
8.4.50.0190.00718.86
8.4.40.0250.01217.38
8.4.30.0310.01018.76
8.4.20.0220.01221.63
8.4.10.0210.01019.22
8.3.270.0090.01016.55
8.3.260.0070.00316.48
8.3.250.0240.00717.69
8.3.240.0250.00716.75
8.3.230.0180.00516.48
8.3.220.0110.00316.66
8.3.210.0180.00617.31
8.3.200.0180.00616.46
8.3.190.0140.00516.72
8.3.180.0250.00617.76
8.3.170.0260.00718.23
8.3.160.0210.00116.69
8.3.150.0160.00616.65
8.3.140.0180.01018.42
8.3.130.0100.00417.44
8.3.120.0120.00717.56
8.3.110.0170.00618.74
8.3.100.0170.00420.16
8.3.90.0220.00721.47
8.3.80.0210.00816.27
8.3.70.0200.01216.55
8.3.60.0200.00516.55
8.3.50.0150.00521.63
8.3.40.0260.00517.95
8.3.30.0240.00717.98
8.3.20.0170.00720.81
8.3.10.0170.00620.96
8.3.00.0210.00321.71
8.2.290.0250.00518.57
8.2.280.0210.00817.32
8.2.270.0190.01016.60
8.2.260.0230.00516.30
8.2.250.0130.01016.59
8.2.240.0190.00617.54
8.2.230.0180.00719.52
8.2.220.0230.00326.89
8.2.210.0220.00621.48
8.2.200.0220.00316.44
8.2.190.0270.00416.44
8.2.180.0220.00721.04
8.2.170.0260.00418.21
8.2.160.0230.00720.29
8.2.150.0230.00621.52
8.2.140.0190.00420.99
8.2.130.0220.00521.65
8.2.120.0220.00521.93
8.2.110.0160.00719.14
8.2.100.0210.00717.46
8.2.90.0170.00718.30
8.2.80.0120.00217.71
8.2.70.0200.00617.43
8.2.60.0200.00417.38
8.2.50.0110.00317.58
8.2.40.0300.00617.64
8.2.30.0130.00417.68
8.2.20.0210.00317.67
8.2.10.0210.00318.15
8.2.00.0170.00718.23
8.1.330.0240.00618.89
8.1.320.0230.00715.89
8.1.310.0240.00715.91
8.1.300.0200.00517.19
8.1.290.0200.00523.39
8.1.280.0220.00720.98
8.1.270.0130.00720.48
8.1.260.0070.00622.70
8.1.250.0210.00222.70
8.1.240.0160.00520.61
8.1.230.0190.00618.09
8.1.220.0150.00717.35
8.1.210.0160.00717.91
8.1.200.0170.00617.09
8.1.190.0160.00716.93
8.1.180.0180.00417.56
8.1.170.0150.00817.80
8.1.160.0140.00817.91
8.1.150.0150.00817.81
8.1.140.0160.00618.02
8.1.130.0160.00618.56
8.1.120.0120.00317.28
8.1.110.0070.00617.24
8.1.100.0080.00417.13
8.1.90.0060.00617.33
8.1.80.0070.00617.28
8.1.70.0100.00617.16
8.1.60.0100.00417.30
8.1.50.0140.00917.14
8.1.40.0190.00517.31
8.1.30.0140.00817.44
8.1.20.0180.00517.35
8.1.10.0220.00317.26
8.1.00.0170.00417.19
8.0.300.0170.00418.34
8.0.290.0190.00416.56
8.0.280.0150.00618.34
8.0.270.0150.00517.25
8.0.260.0090.00318.42
8.0.250.0140.00716.75
8.0.240.0240.00516.69
8.0.230.0170.00716.61
8.0.220.0150.00616.56
8.0.210.0190.00416.60
8.0.200.0190.00416.60
8.0.190.0150.00616.54
8.0.180.0190.00416.63
8.0.170.0150.00716.66
8.0.160.0210.00316.71
8.0.150.0190.00416.50
8.0.140.0110.00216.58
8.0.130.0140.00214.80
8.0.120.0170.00516.50
8.0.110.0160.00316.65
8.0.100.0200.00616.48
8.0.90.0190.00416.43
8.0.80.0160.00716.59
8.0.70.0160.00616.57
8.0.60.0170.00516.66
8.0.50.0140.00916.53
8.0.30.0210.00616.51
8.0.20.0210.00816.78
8.0.10.0150.00616.69
8.0.00.0210.00816.70
7.4.330.0190.00215.85
7.4.320.0140.00616.35
7.4.300.0150.00616.31
7.4.290.0120.00716.23
7.4.280.0180.00316.25
7.4.270.0170.00616.23
7.4.260.0160.00614.60
7.4.250.0170.00716.23
7.4.240.0210.00516.30
7.4.230.0080.00416.22
7.4.220.0080.00516.25
7.4.210.0110.00816.35
7.4.200.0140.00716.23
7.4.190.0280.00716.13
7.4.180.0310.00516.09
7.4.160.0310.00416.41
7.4.150.0250.01016.10
7.4.140.0280.00716.05
7.4.130.0160.00716.28
7.4.120.0200.00816.18
7.4.110.0200.00616.13
7.4.100.0150.01016.24
7.4.90.0190.00916.20
7.4.80.0140.00716.14
7.4.70.0190.00916.18
7.4.60.0210.00516.24
7.4.50.0160.01116.12
7.4.40.0210.00416.18
7.4.30.0150.00916.26
7.4.20.0100.01016.21
7.4.10.0170.00416.28
7.4.00.0120.00616.38
7.3.330.0140.00716.04
7.3.320.0170.00514.50
7.3.310.0150.00415.93
7.3.300.0140.00415.92
7.3.290.0080.01116.12
7.3.280.0130.00616.10
7.3.270.0280.00716.00
7.3.260.0210.00616.06
7.3.250.0250.00715.61
7.3.240.0430.00215.52
7.3.230.0190.00616.11
7.3.220.0330.00415.96
7.3.210.0180.00816.01
7.3.200.0170.00716.07
7.3.190.0130.01216.10
7.3.180.0110.00816.16
7.3.170.0150.00716.18
7.3.160.0170.00816.06
7.3.150.0170.00716.01
7.3.140.0160.00715.91
7.3.130.0160.00716.09
7.3.120.0170.00816.02
7.3.110.0190.00515.89
7.3.100.0130.01316.02
7.3.90.0190.01015.98
7.3.80.0190.00916.17
7.3.70.0210.00816.13
7.3.60.0150.01216.17
7.3.50.0140.01116.21
7.3.40.0160.00916.11
7.3.30.0130.01316.13
7.3.20.0140.00816.85
7.3.10.0200.00816.76
7.3.00.0230.00816.79
7.2.340.0250.00516.07
7.2.330.0180.00816.21
7.2.320.0170.00816.21
7.2.310.0180.01116.20
7.2.300.0180.00816.19
7.2.290.0160.01116.11
7.2.280.0170.01016.08
7.2.270.0200.00816.24
7.2.260.0140.00916.20
7.2.250.0140.00716.06
7.2.240.0120.00816.32
7.2.230.0110.00816.04
7.2.220.0180.00716.14
7.2.210.0220.00616.27
7.2.200.0200.00216.31
7.2.190.0220.00916.22
7.2.180.0210.00416.25
7.2.170.0160.00916.29
7.2.160.0200.00616.32
7.2.150.0220.01016.95
7.2.140.0150.01617.06
7.2.130.0260.00417.01
7.2.120.0180.01016.83
7.2.110.0190.00916.88
7.2.100.0190.01117.07
7.2.90.0150.01216.74
7.2.80.0170.01116.97
7.2.70.0180.00916.85
7.2.60.0170.00816.94
7.2.50.0170.00916.92
7.2.40.0150.01216.94
7.2.30.0250.00317.07
7.2.20.0250.00716.92
7.2.10.0240.00517.02
7.2.00.0210.00516.97

preferences:
29.82 ms | 403 KiB | 5 Q