3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_internal_encoding("UTF-8"); $Contacts = "µ4µµ2µ"; if(is_array($Contacts)) { $C = $Contacts; } else { $C = explode("µµ", mb_substr($Contacts, 1, -1, "UTF-8")); } print_r($C);

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)
8.3.60.0080.00618.18
8.3.50.0190.00422.06
8.3.40.0110.00418.67
8.3.30.0140.00318.96
8.3.20.0040.00420.34
8.3.10.0050.00320.40
8.3.00.0090.00019.13
8.2.180.0160.00316.63
8.2.170.0040.01122.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00422.10
8.2.110.0060.00322.30
8.2.100.0040.00720.54
8.2.90.0000.00819.20
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0040.00417.90
8.2.50.0060.00618.07
8.2.40.0000.00818.16
8.2.30.0030.00319.43
8.2.20.0000.00717.50
8.2.10.0040.00418.10
8.2.00.0040.00417.69
8.1.280.0110.00425.92
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00323.96
8.1.230.0090.00319.11
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0090.00317.35
8.1.190.0050.00317.23
8.1.180.0060.00318.10
8.1.170.0040.00418.44
8.1.160.0080.00021.95
8.1.150.0070.00018.69
8.1.140.0000.00817.31
8.1.130.0070.00017.87
8.1.120.0000.00717.30
8.1.110.0050.00217.32
8.1.100.0030.00317.29
8.1.90.0000.00817.36
8.1.80.0000.00817.38
8.1.70.0030.00317.38
8.1.60.0040.00417.54
8.1.50.0040.00417.51
8.1.40.0050.00217.50
8.1.30.0000.00817.71
8.1.20.0060.00317.66
8.1.10.0000.00817.54
8.1.00.0040.00417.44
8.0.300.0040.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00718.41
8.0.270.0040.00417.20
8.0.260.0030.00317.11
8.0.250.0050.00317.01
8.0.240.0050.00316.85
8.0.230.0000.00716.85
8.0.220.0030.00316.88
8.0.210.0030.00316.86
8.0.200.0030.00316.79
8.0.190.0000.00716.93
8.0.180.0040.00416.94
8.0.170.0030.00616.98
8.0.160.0030.00316.89
8.0.150.0040.00416.77
8.0.140.0040.00416.90
8.0.130.0030.00313.33
8.0.120.0000.00816.88
8.0.110.0000.00816.91
8.0.100.0050.00216.94
8.0.90.0070.00016.75
8.0.80.0000.01616.84
8.0.70.0000.00716.70
8.0.60.0040.00416.70
8.0.50.0070.00016.80
8.0.30.0070.01516.93
8.0.20.0130.00517.40
8.0.10.0000.00816.83
8.0.00.0090.01116.81
7.4.330.0070.00015.00
7.4.320.0060.00016.52
7.4.300.0030.00316.44
7.4.290.0030.00316.54
7.4.280.0070.00316.39
7.4.270.0040.00416.49
7.4.260.0000.00816.50
7.4.250.0070.00316.51
7.4.240.0040.00416.56
7.4.230.0030.00316.65
7.4.220.0130.01016.51
7.4.210.0060.00916.56
7.4.200.0000.00716.29
7.4.160.0080.00816.48
7.4.150.0090.00917.40
7.4.140.0080.01117.86
7.4.130.0060.01116.54
7.4.120.0070.01016.49
7.4.110.0130.01016.36
7.4.100.0190.00316.30
7.4.90.0130.00916.51
7.4.80.0070.01019.39
7.4.70.0100.00816.62
7.4.60.0070.01716.41
7.4.50.0000.00816.41
7.4.40.0030.01716.61
7.4.30.0100.00516.44
7.4.00.0060.01114.71
7.3.330.0050.00012.99
7.3.320.0020.00213.02
7.3.310.0000.00716.20
7.3.300.0030.00316.12
7.3.290.0030.01216.16
7.3.280.0050.01016.06
7.3.270.0160.00717.40
7.3.260.0100.01416.50
7.3.250.0120.00616.30
7.3.240.0070.01416.50
7.3.230.0030.01416.39
7.3.210.0120.00516.23
7.3.200.0100.00719.39
7.3.190.0140.00616.50
7.3.180.0060.01016.08
7.3.170.0140.00316.29
7.3.160.0060.00916.38
7.3.120.0030.01414.61
7.3.110.0060.01014.84
7.3.100.0030.01314.71
7.3.90.0040.01114.59
7.3.80.0000.01614.64
7.3.70.0030.00614.60
7.3.60.0060.00914.79
7.3.50.0000.01414.76
7.3.40.0110.00714.68
7.3.30.0120.00314.58
7.3.20.0040.01116.29
7.3.10.0030.01316.69
7.3.00.0120.00316.35
7.2.330.0090.00916.59
7.2.320.0130.00316.66
7.2.310.0060.01616.27
7.2.300.0150.00316.28
7.2.290.0060.00916.63
7.2.250.0110.00714.95
7.2.240.0180.00314.73
7.2.230.0120.00614.87
7.2.220.0000.01315.14
7.2.210.0070.00715.08
7.2.200.0030.01014.64
7.2.190.0110.00314.68
7.2.180.0060.01014.77
7.2.170.0070.01115.01
7.2.60.0040.00916.86
7.2.00.0070.01119.40
7.1.330.0000.01615.48
7.1.320.0030.00715.79
7.1.310.0070.01015.89
7.1.300.0090.00615.64
7.1.290.0090.00315.61
7.1.280.0070.00715.61
7.1.270.0040.00815.70
7.1.260.0070.00715.93
7.1.200.0030.00615.92
7.1.100.0090.00618.19
7.1.70.0070.00317.10
7.1.60.0070.01319.12
7.1.50.0060.01316.77
7.1.00.0030.07322.32
7.0.200.0190.00616.36
7.0.140.0070.07022.00
7.0.60.0230.05721.74
7.0.50.0030.09017.77
7.0.40.0070.08320.21
7.0.30.0330.06720.30
7.0.20.0300.08320.28
7.0.10.0030.04320.09
7.0.00.0070.04720.23
5.6.280.0000.05021.10
5.6.210.0070.05320.62
5.6.200.0070.06018.19
5.6.190.0100.05320.77
5.6.180.0030.04320.52
5.6.170.0300.05020.57
5.6.160.0130.07720.46
5.6.150.0100.04318.18
5.6.140.0070.03718.13
5.6.130.0070.07018.18
5.6.120.0030.09020.96
5.6.110.0100.08321.01
5.6.100.0100.05321.13
5.6.90.0100.07721.12
5.6.80.0070.07720.43
5.5.350.0270.08020.38
5.5.340.0170.03017.95
5.5.330.0000.04320.37
5.5.320.0200.04320.27
5.5.310.0200.04720.30
5.5.300.0170.07018.04
5.5.290.0030.04317.97
5.5.280.0030.05020.79
5.5.270.0000.09020.89
5.5.260.0170.07020.86
5.5.250.0100.08320.48
5.5.240.0270.06320.25
5.4.450.4030.04319.47
5.4.440.0100.05019.46
5.4.430.1530.06019.36
5.4.420.3330.03719.44
5.4.410.3800.03719.28
5.4.400.3470.03719.09
5.4.390.0070.06019.21
5.4.380.4170.03319.11
5.4.370.4430.03318.88
5.4.360.3430.03718.91
5.4.350.3900.04019.15
5.4.340.4730.04319.06
5.4.320.4470.04018.91
5.4.310.4230.04319.04
5.4.300.4470.04018.91
5.4.290.4270.03719.04
5.4.280.4270.04318.97
5.4.270.4400.03719.21
5.4.260.4400.03719.13
5.4.250.4400.04719.18
5.4.240.4030.03719.20
5.4.230.3830.03319.13
5.4.220.1900.03719.20
5.4.210.2870.04019.09
5.4.200.3300.03319.11
5.4.190.3200.04019.13
5.4.180.3730.03719.11
5.4.170.2770.03019.03
5.4.160.3530.04019.18
5.4.150.3770.03718.95
5.4.140.3770.03716.51
5.4.130.3630.04016.32
5.4.120.3270.04016.35
5.4.110.3300.03316.25
5.4.100.3670.03316.35
5.4.90.3830.03016.51
5.4.80.3800.03716.43
5.4.70.3900.04016.30
5.4.60.3970.03316.45
5.4.50.4400.03716.32
5.4.40.4700.03716.48
5.4.30.3900.04016.41
5.4.20.4100.03016.50
5.4.10.4170.04016.20
5.4.00.3730.03015.93
5.3.290.4670.03714.58
5.3.280.3270.04014.58
5.3.270.3830.04314.59
5.3.260.3070.03714.65
5.3.250.3730.03014.65
5.3.240.3900.04014.73
5.3.230.2500.04014.60
5.3.220.1100.03314.56
5.3.210.2270.03014.63
5.3.200.3500.03714.48
5.3.190.3870.02714.47
5.3.180.4000.04014.59
5.3.170.3830.03014.55
5.3.160.3970.03314.55
5.3.150.4400.03014.61
5.3.140.3930.04314.57
5.3.130.4300.03314.42
5.3.120.4370.03314.55
5.3.110.3770.03714.59
5.3.100.3670.03314.03
5.3.90.3670.04014.02
5.3.80.3670.04014.00
5.3.70.3870.04014.02
5.3.60.4030.03713.99
5.3.50.3970.03013.93
5.3.40.3770.03313.98
5.3.30.4000.04014.05
5.3.20.3600.04013.83
5.3.10.3370.03013.70
5.3.00.3900.03713.68
5.2.170.3130.03011.20
5.2.160.3370.02311.15
5.2.150.3200.02711.14
5.2.140.2900.02711.08
5.2.130.3600.03311.26
5.2.120.3200.02711.12
5.2.110.3630.03011.09
5.2.100.2470.04011.04
5.2.90.3430.03311.14
5.2.80.3330.03710.98
5.2.70.3630.03011.14
5.2.60.2970.02711.00
5.2.50.2870.03711.17
5.2.40.2530.02710.93
5.2.30.2530.03310.96
5.2.20.2130.03011.02
5.2.10.2770.02310.88
5.2.00.2070.03010.88
5.1.60.2970.02710.07
5.1.50.2770.02310.06
5.1.40.3130.02310.12
5.1.30.3230.02310.33
5.1.20.3230.02710.50
5.1.10.2530.02010.21
5.1.00.2130.02710.05
5.0.50.1530.0178.60
5.0.40.1530.0238.43
5.0.30.1470.0308.21
5.0.20.1530.0208.16
5.0.10.1270.0208.22
5.0.00.2170.0308.32
4.4.90.1400.0205.89
4.4.80.0900.0235.77
4.4.70.1500.0205.84
4.4.60.1200.0135.80
4.4.50.1530.0135.82
4.4.40.1570.0235.82
4.4.30.1100.0105.89
4.4.20.1830.0175.87
4.4.10.0930.0175.85
4.4.00.1370.0205.82
4.3.110.1470.0175.71
4.3.100.1430.0175.72
4.3.90.1430.0175.67
4.3.80.1700.0235.73
4.3.70.1570.0135.71
4.3.60.1470.0175.78
4.3.50.1630.0175.70
4.3.40.1500.0275.67
4.3.30.0500.0234.54
4.3.20.0630.0174.54
4.3.10.0700.0234.54
4.3.00.0900.0174.54

preferences:
38.63 ms | 401 KiB | 5 Q