3v4l.org

run code in 300+ PHP versions simultaneously
<?php function quote(&$string) { $string = "'$string'"; return $string; } $wo = '我'; quote($wo);

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)
8.3.40.0070.00718.71
8.3.30.0060.01218.82
8.3.20.0050.00320.26
8.3.10.0080.00021.92
8.3.00.0070.00019.07
8.2.170.0100.00322.96
8.2.160.0070.00722.26
8.2.150.0180.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00319.64
8.2.110.0040.00422.20
8.2.100.0040.00819.45
8.2.90.0050.00319.13
8.2.80.0030.00517.97
8.2.70.0070.00317.63
8.2.60.0050.00317.80
8.2.50.0000.00918.07
8.2.40.0070.00018.16
8.2.30.0070.00319.13
8.2.20.0040.00417.54
8.2.10.0080.00018.16
8.2.00.0080.00017.64
8.1.270.0030.00620.69
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00623.87
8.1.230.0070.00419.12
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00717.22
8.1.190.0000.00817.22
8.1.180.0000.00818.10
8.1.170.0000.00918.72
8.1.160.0050.00321.94
8.1.150.0000.00718.83
8.1.140.0040.00419.13
8.1.130.0000.00717.88
8.1.120.0030.00317.39
8.1.110.0080.00017.34
8.1.100.0000.00717.27
8.1.90.0040.00417.24
8.1.80.0030.00317.35
8.1.70.0030.00317.42
8.1.60.0030.00617.51
8.1.50.0080.00017.51
8.1.40.0040.00417.48
8.1.30.0000.00817.57
8.1.20.0040.00417.61
8.1.10.0090.00017.45
8.1.00.0030.00517.41
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.31
8.0.270.0000.00717.15
8.0.260.0030.00317.29
8.0.250.0030.00316.96
8.0.240.0030.00316.99
8.0.230.0040.00416.93
8.0.220.0000.00716.88
8.0.210.0030.00316.86
8.0.200.0030.00316.87
8.0.190.0030.00616.95
8.0.180.0040.00416.92
8.0.170.0000.00816.92
8.0.160.0050.00316.99
8.0.150.0000.00716.79
8.0.140.0040.00416.82
8.0.130.0030.00313.32
8.0.120.0040.00416.73
8.0.110.0000.00816.88
8.0.100.0030.00516.84
8.0.90.0000.00716.70
8.0.80.0060.01216.88
8.0.70.0000.00716.75
8.0.60.0000.00816.78
8.0.50.0040.00416.99
8.0.30.0090.01717.03
8.0.20.0200.00717.40
8.0.10.0080.00016.90
8.0.00.0090.01216.65
7.4.330.0000.00615.03
7.4.320.0000.00616.53
7.4.300.0000.00716.50
7.4.290.0050.00316.60
7.4.280.0090.00316.44
7.4.270.0030.00316.45
7.4.260.0000.00716.47
7.4.250.0000.00716.48
7.4.240.0040.00316.59
7.4.230.0040.00416.29
7.4.220.0070.01116.51
7.4.210.0050.01116.59
7.4.200.0000.00716.36
7.4.160.0130.00316.47
7.4.150.0160.00417.40
7.4.140.0150.00617.86
7.4.130.0090.00816.51
7.4.120.0090.00916.49
7.4.110.0120.00616.41
7.4.100.0090.00916.57
7.4.90.0100.00716.47
7.4.80.0090.00919.39
7.4.70.0150.00416.66
7.4.60.0120.00416.33
7.4.50.0080.00016.30
7.4.40.0070.01016.41
7.4.30.0070.01416.55
7.4.00.0030.01414.80
7.3.330.0000.00713.29
7.3.320.0000.00513.15
7.3.310.0040.00416.29
7.3.300.0030.00316.24
7.3.290.0030.00616.30
7.3.280.0080.01316.28
7.3.270.0210.00617.40
7.3.260.0140.00616.38
7.3.250.0130.00516.30
7.3.240.0080.00816.40
7.3.230.0100.00716.68
7.3.210.0070.01016.70
7.3.200.0030.01319.39
7.3.190.0100.00716.34
7.3.180.0150.00016.50
7.3.170.0090.01216.32
7.3.160.0120.00616.61
7.3.120.0080.00314.78
7.3.110.0070.00614.41
7.3.100.0000.01514.78
7.3.90.0060.00614.66
7.3.80.0000.01514.68
7.3.70.0070.00714.76
7.3.60.0080.00414.55
7.3.50.0090.00614.46
7.3.40.0060.00914.88
7.3.30.0000.00914.98
7.3.20.0150.00016.62
7.3.10.0090.00316.71
7.3.00.0030.01416.42
7.2.330.0090.00916.50
7.2.320.0040.01216.67
7.2.310.0100.01316.39
7.2.300.0150.00616.52
7.2.290.0130.01016.54
7.2.240.0040.00814.75
7.2.230.0080.00614.66
7.2.220.0100.00614.88
7.2.210.0100.00614.89
7.2.200.0070.00315.04
7.2.190.0130.00314.63
7.2.180.0060.00914.94
7.2.170.0120.00615.04
7.2.160.0070.00715.06
7.2.150.0120.00316.74
7.2.140.0120.00616.80
7.2.130.0060.00616.50
7.2.120.0100.00316.91
7.2.110.0030.01216.58
7.2.100.0070.01016.86
7.2.90.0070.00316.92
7.2.80.0070.01116.72
7.2.70.0000.01316.49
7.2.60.0030.01016.95
7.2.50.0030.00816.94
7.2.40.0030.01316.48
7.2.30.0030.01216.61
7.2.20.0040.00816.77
7.2.10.0070.01116.60
7.2.00.0040.01117.92
7.1.330.0040.00815.57
7.1.320.0070.00715.66
7.1.310.0060.00915.80
7.1.300.0090.00615.71
7.1.290.0070.01015.42
7.1.280.0030.01015.53
7.1.270.0060.00615.48
7.1.260.0120.00315.35
7.1.250.0090.00615.68
7.1.100.0030.01017.93
7.1.70.0000.01016.80
7.1.60.0030.02119.46
7.1.50.0040.00716.51
7.1.00.0100.07022.31
7.0.200.0030.00616.50
7.0.140.0000.07322.21
7.0.60.0030.04020.01
7.0.50.0070.08017.83
7.0.40.0230.07319.96
7.0.30.0230.08020.18
7.0.20.0270.08020.23
7.0.10.0230.05720.07
7.0.00.0070.09020.05
5.6.280.0100.06720.82
5.6.210.0070.06720.61
5.6.200.0170.06018.27
5.6.190.0130.04320.48
5.6.180.0270.04020.42
5.6.170.0170.08020.57
5.6.160.0100.08020.50
5.6.150.0070.08018.29
5.6.140.0130.07718.11
5.6.130.0070.08018.18
5.6.120.0070.08321.05
5.6.110.0170.07321.13
5.6.100.0030.04021.14
5.6.90.0170.07321.09
5.6.80.0100.03720.52
5.5.350.0330.07020.38
5.5.340.0070.08018.00
5.5.330.0030.06720.19
5.5.320.0370.05320.31
5.5.310.0300.07320.24
5.5.300.0070.08017.92
5.5.290.0000.04317.99
5.5.280.0070.05720.95
5.5.270.0070.07720.96
5.5.260.0070.05720.84
5.5.250.0070.08320.79
5.5.240.0030.05720.12
5.4.450.0430.06019.61
5.4.440.0900.05319.31
5.4.430.0570.07019.38
5.4.420.0900.05319.46
5.4.410.0900.06319.34
5.4.400.1030.06019.29
5.4.390.0270.05018.52
5.4.380.0130.05718.61
5.4.370.0170.05018.76
5.4.360.0170.05318.53
5.4.350.0130.06018.73
5.4.340.0130.06718.73
5.4.320.0100.06318.44
5.4.310.0300.04318.82
5.4.300.0300.06318.44
5.4.290.0230.07018.70
5.4.280.0270.06718.73
5.4.270.0330.04018.78
5.4.260.0200.05718.57
5.4.250.0130.05718.46
5.4.240.0200.05318.82
5.4.230.0200.06718.75
5.4.220.0200.05318.47
5.4.210.0200.05318.68
5.4.200.0130.05716.49
5.4.190.0100.06718.55
5.4.180.0130.06018.51
5.4.170.0200.06318.48
5.4.160.0100.06018.71
5.4.150.0200.06018.80
5.4.140.0170.07016.30
5.4.130.0130.05716.43
5.4.120.0300.05016.30
5.4.110.0370.05016.27
5.4.100.0300.04716.26
5.4.90.0200.05016.18
5.4.80.0270.04316.25
5.4.70.0300.05316.39
5.4.60.0130.05716.24
5.4.50.0170.05716.20
5.4.40.0300.06716.16
5.4.30.0100.05716.16
5.4.20.0130.05716.37
5.4.10.0170.05016.16
5.4.00.0070.06015.72
5.3.290.0170.05314.66
5.3.280.0230.04314.73
5.3.270.0200.05014.65
5.3.260.0130.06314.82
5.3.250.0100.06014.78
5.3.240.0170.04714.64
5.3.230.0200.04714.62
5.3.220.0130.05314.59
5.3.210.0070.06014.61
5.3.200.0130.05014.79
5.3.190.0200.05314.55
5.3.180.0200.04714.73
5.3.170.0230.04314.59
5.3.160.0100.05314.59
5.3.150.0070.06014.60
5.3.140.0130.05314.59
5.3.130.0230.04314.60
5.3.120.0100.06014.57
5.3.110.0200.05714.71
5.3.100.0170.05014.11
5.3.90.0200.04714.04
5.3.80.0130.05314.09
5.3.70.0170.04714.22
5.3.60.0230.04013.98
5.3.50.0070.05714.05
5.3.40.0200.05314.07
5.3.30.0200.05313.92
5.3.20.0100.05313.74
5.3.10.0130.05313.82
5.3.00.0230.04313.86
5.2.170.0070.05011.18
5.2.160.0200.03711.18
5.2.150.0170.03711.20
5.2.140.0130.04311.16
5.2.130.0170.04011.11
5.2.120.0170.05311.07
5.2.110.0270.04311.22
5.2.100.0130.06011.30
5.2.90.0130.05711.08
5.2.80.0130.05311.11
5.2.70.0170.05711.29
5.2.60.0200.05011.10
5.2.50.0170.03711.05
5.2.40.0100.04311.09
5.2.30.0000.05311.19
5.2.20.0130.04311.20
5.2.10.0100.03710.96
5.2.00.0170.03710.93
5.1.60.0070.03710.20
5.1.50.0030.04010.03
5.1.40.0070.03710.18
5.1.30.0070.04010.51
5.1.20.0070.04010.48
5.1.10.0100.03310.18
5.1.00.0100.03710.20
5.0.50.0030.0338.67
5.0.40.0030.0308.45
5.0.30.0070.0438.25
5.0.20.0070.0278.23
5.0.10.0100.0238.21
5.0.00.0100.0408.29
4.4.90.0030.0275.96
4.4.80.0030.0275.88
4.4.70.0030.0235.98
4.4.60.0070.0235.96
4.4.50.0070.0205.87
4.4.40.0030.0376.01
4.4.30.0070.0205.96
4.4.20.0070.0205.99
4.4.10.0070.0205.97
4.4.00.0070.0335.92
4.3.110.0030.0235.85
4.3.100.0100.0175.87
4.3.90.0030.0235.87
4.3.80.0030.0405.87
4.3.70.0030.0235.79
4.3.60.0070.0205.78
4.3.50.0070.0205.82
4.3.40.0030.0375.79
4.3.30.0070.0204.57
4.3.20.0070.0274.53
4.3.10.0000.0274.51
4.3.00.0030.0279.49

preferences:
57.57 ms | 400 KiB | 5 Q