3v4l.org

run code in 300+ PHP versions simultaneously
<?php $emoji = "\u{1F469}\u{200D}\u{2764}\u{FE0F}\u{200D}\u{1F48B}\u{200D}\u{1F469}"; echo $emoji , " : " , strlen($emoji) , "\n"; // 27, count byte echo $emoji , " : " , mb_strlen($emoji) , "\n"; // 8, count characters echo $emoji , " : " , grapheme_strlen($emoji) , "\n"; // 1, count grapheme units

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)
8.3.60.0160.00017.75
8.3.50.0120.00317.48
8.3.40.0060.00919.57
8.3.30.0070.00719.67
8.3.20.0080.00019.64
8.3.10.0080.00022.67
8.3.00.0080.00322.85
8.2.180.0150.00319.18
8.2.170.0120.00322.96
8.2.160.0070.00723.25
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00022.06
8.2.110.0060.00620.22
8.2.100.0040.00818.72
8.2.90.0040.00418.72
8.2.80.0020.00719.69
8.2.70.0060.00318.63
8.2.60.0000.00818.63
8.2.50.0040.00418.79
8.2.40.0040.00418.61
8.2.30.0050.00220.18
8.2.20.0000.00719.04
8.2.10.0000.00719.21
8.2.00.0070.00018.73
8.1.280.0140.00725.92
8.1.270.0040.00424.96
8.1.260.0070.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00623.80
8.1.230.0040.00823.73
8.1.220.0000.00818.66
8.1.210.0090.00018.77
8.1.200.0030.00618.35
8.1.190.0120.00018.11
8.1.180.0000.01018.10
8.1.170.0000.00818.25
8.1.160.0030.00619.84
8.1.150.0000.00721.20
8.1.140.0040.00420.51
8.1.130.0070.00018.70
8.1.120.0000.00718.42
8.1.110.0020.00518.40
8.1.100.0050.00318.41
8.1.90.0040.00418.37
8.1.80.0000.00818.39
8.1.70.0040.00418.24
8.1.60.0040.00418.56
8.1.50.0120.00418.43
8.1.40.0140.00618.43
8.1.30.0120.00218.67
8.1.20.0120.00418.47
8.1.10.0120.00218.53
8.1.00.0120.00418.46
8.0.300.0040.00419.84
8.0.290.0050.00517.75
8.0.280.0060.00319.52
8.0.270.0000.00717.93
8.0.260.0050.00318.31
8.0.250.0000.00817.80
8.0.240.0050.00217.91
8.0.230.0030.00317.76
8.0.220.0000.00717.72
8.0.210.0030.00317.75
8.0.200.0000.00817.87
8.0.190.0040.00417.76
8.0.180.0080.00517.75
8.0.170.0070.00517.76
8.0.160.0040.00617.82
8.0.150.0050.00517.69
8.0.140.0060.00417.74
8.0.130.0060.00415.54
8.0.120.0080.00617.81
8.0.110.0070.00417.98
8.0.100.0100.00317.65
8.0.90.0050.00717.66
8.0.80.0080.01017.86
8.0.70.0070.00517.79
8.0.60.0110.00317.82
8.0.50.0080.00417.81
8.0.30.0180.00817.97
8.0.20.0130.00818.09
8.0.10.0120.01017.98
8.0.00.0140.00417.79
7.4.330.0050.00015.55
7.4.320.0000.00717.48
7.4.300.0040.00417.46
7.4.290.0060.00417.38
7.4.280.0100.00417.48
7.4.270.0100.00517.45
7.4.260.0070.00517.35
7.4.250.0080.00317.29
7.4.240.0050.00717.44
7.4.230.0100.00417.34
7.4.220.0090.01417.36
7.4.210.0110.00517.33
7.4.200.0040.00517.34
7.4.190.0040.01217.49
7.4.180.0150.00417.39
7.4.160.0150.00617.43
7.4.150.0130.01017.38
7.4.140.0140.00717.69
7.4.130.0110.00817.35
7.4.120.0090.01117.38
7.4.110.0150.00617.39
7.4.100.0140.00617.40
7.4.90.0130.00917.32
7.4.80.0140.00917.83
7.4.70.0110.01117.36
7.4.60.0100.01217.35
7.4.50.0120.00817.23
7.4.40.0120.00917.31
7.4.30.0120.00917.34
7.4.20.0110.00817.42
7.4.10.0130.00917.33
7.4.00.0070.01117.14
7.3.330.0120.00015.13
7.3.320.0080.00415.16
7.3.310.0100.00317.35
7.3.300.0120.00217.19
7.3.290.0120.00617.23
7.3.280.0140.00717.33
7.3.270.0130.00817.36
7.3.260.0120.00817.40
7.3.250.0110.00817.44
7.3.240.0160.00517.27
7.3.230.0180.00717.36
7.3.220.0130.01117.17
7.3.210.0110.01017.24
7.3.200.0130.01017.36
7.3.190.0120.00917.33
7.3.180.0130.01017.31
7.3.170.0150.00717.24
7.3.160.0130.00917.39
7.3.150.0150.00617.21
7.3.140.0150.00717.38
7.3.130.0120.01117.28
7.3.120.0140.01317.28
7.3.110.0130.01017.18
7.3.100.0140.00917.20
7.3.90.0160.00617.34
7.3.80.0120.01017.33
7.3.70.0150.00817.26
7.3.60.0120.01017.36
7.3.50.0130.01017.06
7.3.40.0120.01117.06
7.3.30.0130.01017.10
7.3.20.0140.00717.30
7.3.10.0130.00817.31
7.3.00.0140.00717.35
7.2.340.0190.00517.13
7.2.330.0120.01017.12
7.2.320.0150.00917.33
7.2.310.0140.00717.39
7.2.300.0120.01217.33
7.2.290.0130.00917.38
7.2.280.0110.01217.30
7.2.270.0130.01017.34
7.2.260.0110.01017.34
7.2.250.0140.01017.26
7.2.240.0150.01617.20
7.2.230.0130.01117.33
7.2.220.0140.00917.31
7.2.210.0130.01217.26
7.2.200.0160.00817.38
7.2.190.0140.01017.36
7.2.180.0130.00817.08
7.2.170.0100.01217.05
7.2.160.0120.00817.14
7.2.150.0170.00717.40
7.2.140.0130.01217.44
7.2.130.0110.00917.39
7.2.120.0130.00817.41
7.2.110.0120.00817.50
7.2.100.0110.00917.41
7.2.90.0120.00917.38
7.2.80.0110.00917.41
7.2.70.0220.01017.38
7.2.60.0400.00917.16
7.2.50.0390.00717.22
7.2.40.0350.00517.33
7.2.30.0360.01017.28
7.2.20.0330.00817.29
7.2.10.0340.00817.29
7.2.00.0280.01017.64
7.1.330.0240.01216.86
7.1.320.0200.00516.77
7.1.310.0200.00616.78
7.1.300.0150.01016.71
7.1.290.0210.00916.75
7.1.280.0150.00916.39
7.1.270.0150.00816.46
7.1.260.0190.00516.41
7.1.250.0160.00716.48
7.1.240.0150.00916.42
7.1.230.0250.00616.42
7.1.220.0210.00916.46
7.1.210.0190.00816.45
7.1.200.0120.01116.42
7.1.190.0140.01016.48
7.1.180.0160.00916.45
7.1.170.0460.00716.08
7.1.160.0370.01016.65
7.1.150.0450.00716.63
7.1.140.0440.00716.63
7.1.130.0410.00816.65
7.1.120.0360.00717.02
7.1.110.0390.00616.84
7.1.100.1490.00916.87
7.1.90.1120.00916.88
7.1.80.1060.01016.89
7.1.70.0980.00916.52
7.1.60.0880.01022.25
7.1.50.0850.00822.00
7.1.40.0650.01021.97
7.1.30.0730.00922.04
7.1.20.0700.00722.07
7.1.10.0500.00916.43
7.1.00.0510.01016.30
7.0.330.0180.01116.09
7.0.320.0120.00916.03
7.0.310.0160.00816.03
7.0.300.0370.00715.81
7.0.290.0400.01016.24
7.0.280.0230.00716.03
7.0.270.0400.00716.27
7.0.260.0360.00816.64
7.0.250.0430.01016.56
7.0.240.0890.00716.68
7.0.230.0270.00916.60
7.0.220.1360.00716.54
7.0.210.0850.00916.19
7.0.200.1010.00716.32
7.0.190.0830.00616.19
7.0.180.0570.00716.04
7.0.170.0700.01016.09
7.0.160.0700.00816.01
7.0.150.0450.01216.05
7.0.140.0460.01116.02
7.0.130.0550.00716.15
7.0.120.0550.01015.90
7.0.110.0570.00716.02
7.0.100.0560.01016.06
7.0.90.0550.00715.98
7.0.80.0530.01016.01
7.0.70.0570.01015.98
7.0.60.0470.00716.00
7.0.50.0480.00816.10
7.0.40.0590.00816.15
7.0.30.0460.00816.11
7.0.20.0630.00916.09
7.0.10.0450.00816.11
7.0.00.0500.00816.08
5.6.400.0120.01215.40
5.6.390.0160.01215.51
5.6.380.0120.01015.56
5.6.370.0140.00715.53
5.6.360.0140.00915.50
5.6.350.0170.00815.54
5.6.340.0190.00715.56
5.6.330.0150.01015.44
5.6.320.0120.01315.59
5.6.310.0150.00815.52
5.6.300.0160.02817.28
5.6.290.0140.02817.21
5.6.280.0150.02517.34
5.6.270.0140.02717.33
5.6.260.0140.03017.34
5.6.250.0140.02817.29
5.6.240.0130.02917.33
5.6.230.0110.03017.35
5.6.220.0140.02717.33
5.6.210.0120.02717.34
5.6.200.0150.02817.30
5.6.190.0170.02517.31
5.6.180.0130.02717.29
5.6.170.0140.02517.28
5.6.160.0140.02417.27
5.6.150.0140.02617.38
5.6.140.0140.02717.32
5.6.130.0150.02317.29
5.6.120.0130.02617.34
5.6.110.0150.02417.27
5.6.100.0140.02517.26
5.6.90.0150.02517.23
5.6.80.0150.02417.04
5.6.70.0130.02517.10
5.6.60.0140.02417.01
5.6.50.0120.02516.97
5.6.40.0150.02417.01
5.6.30.0140.02516.99
5.6.20.0140.02517.02
5.6.10.0140.02416.97
5.6.00.0160.02316.98

preferences:
63.4 ms | 401 KiB | 5 Q