3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '7.1'; $b = '7.1' . str_repeat('0', 14) . '1'; print "$a\n$b\n"; var_dump($a===$b); $b = '7.1' . str_repeat('0', 15) . '1'; print "$b\n"; var_dump($a===$b);

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)
8.3.60.0030.01218.18
8.3.50.0120.00522.04
8.3.40.0080.00618.75
8.3.30.0080.00818.92
8.3.20.0040.00720.35
8.3.10.0040.00423.52
8.3.00.0070.00019.19
8.2.180.0070.01118.16
8.2.170.0150.00622.96
8.2.160.0000.01420.45
8.2.150.0030.00524.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0050.00319.17
8.2.110.0090.00022.11
8.2.100.0090.00317.78
8.2.90.0000.00719.21
8.2.80.0000.00817.97
8.2.70.0000.00817.38
8.2.60.0060.00318.04
8.2.50.0040.00418.07
8.2.40.0080.00019.88
8.2.30.0030.00318.25
8.2.20.0000.00717.62
8.2.10.0080.00018.04
8.2.00.0040.00417.65
8.1.280.0170.00025.92
8.1.270.0080.00023.84
8.1.260.0090.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.96
8.1.230.0040.00719.00
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0040.00417.35
8.1.180.0000.01119.01
8.1.170.0000.00818.56
8.1.160.0070.00021.98
8.1.150.0000.00718.51
8.1.140.0060.00317.45
8.1.130.0000.00717.69
8.1.120.0040.00317.48
8.1.110.0080.00017.36
8.1.100.0070.00017.47
8.1.90.0080.00017.46
8.1.80.0030.00717.49
8.1.70.0000.00717.34
8.1.60.0030.00617.48
8.1.50.0000.00817.40
8.1.40.0040.00417.41
8.1.30.0040.00417.48
8.1.20.0000.00817.65
8.1.10.0050.00317.46
8.1.00.0040.00417.49
8.0.300.0000.00720.58
8.0.290.0030.00317.18
8.0.280.0040.00418.44
8.0.270.0080.00017.30
8.0.260.0000.00717.14
8.0.250.0000.00716.84
8.0.240.0070.00016.87
8.0.230.0030.00616.96
8.0.220.0000.00716.88
8.0.210.0030.00316.77
8.0.200.0060.00016.93
8.0.190.0000.00916.94
8.0.180.0000.00716.78
8.0.170.0040.00416.87
8.0.160.0000.00716.77
8.0.150.0030.00316.85
8.0.140.0050.00216.92
8.0.130.0070.00013.30
8.0.120.0080.00016.83
8.0.110.0040.00416.79
8.0.100.0050.00216.78
8.0.90.0080.00017.00
8.0.80.0080.01116.79
8.0.70.0040.00417.00
8.0.60.0000.00716.78
8.0.50.0040.00416.89
8.0.30.0110.00817.09
8.0.20.0080.01317.40
8.0.10.0050.00316.85
8.0.00.0100.00716.80
7.4.330.0050.00015.03
7.4.320.0030.00316.52
7.4.300.0000.00616.45
7.4.290.0000.00816.51
7.4.280.0070.00016.62
7.4.270.0000.00716.50
7.4.260.0040.00416.61
7.4.250.0070.00016.55
7.4.240.0040.00316.51
7.4.230.0000.00716.44
7.4.220.0150.00616.63
7.4.210.0050.01016.54
7.4.200.0000.00716.68
7.4.190.0000.00716.68
7.4.160.0040.01216.42
7.4.150.0070.01017.40
7.4.140.0110.00717.86
7.4.130.0060.01216.46
7.4.120.0090.00716.46
7.4.110.0060.01216.53
7.4.100.0200.00716.37
7.4.90.0200.00316.45
7.4.80.0050.01319.39
7.4.70.0060.00916.68
7.4.60.0030.01616.30
7.4.50.0040.00416.42
7.4.40.0070.01016.44
7.4.30.0060.01016.59
7.4.00.0080.00815.18
7.3.330.0050.00013.18
7.3.320.0000.00513.24
7.3.310.0030.00316.18
7.3.300.0030.00316.17
7.3.290.0080.00816.27
7.3.280.0100.00916.29
7.3.270.0080.00817.40
7.3.260.0100.00616.27
7.3.250.0050.01616.37
7.3.240.0120.00616.58
7.3.230.0120.01216.39
7.3.210.0100.00716.50
7.3.200.0150.00619.39
7.3.190.0070.01016.27
7.3.180.0030.01316.30
7.3.170.0110.01116.55
7.3.160.0070.01316.48
7.3.120.0060.00814.95
7.3.10.0120.00316.49
7.3.00.0040.00716.34
7.2.330.0150.00316.76
7.2.320.0090.00916.44
7.2.310.0090.01516.53
7.2.300.0180.00416.55
7.2.290.0130.00916.44
7.2.130.0140.00316.71
7.2.120.0100.00716.51
7.2.110.0070.00716.41
7.2.100.0090.00616.77
7.2.90.0000.01316.77
7.2.80.0070.01016.85
7.2.70.0120.00416.62
7.2.60.0150.01116.69
7.2.50.0110.00416.88
7.2.40.0110.00717.09
7.2.30.0110.00816.96
7.2.20.0110.00716.82
7.2.10.0100.00316.80
7.2.00.0090.01017.97
7.1.250.0000.01015.80
7.1.200.0070.00715.91
7.1.100.0070.01118.14
7.1.70.0060.00617.28
7.1.60.0040.02119.46
7.1.50.0130.01316.51
7.1.00.0130.06722.36
7.0.200.0000.00716.89
7.0.140.0100.06722.21
7.0.60.0070.05019.79
7.0.50.0070.06017.89
7.0.40.0070.08720.03
7.0.30.0530.07020.17
7.0.20.0330.07720.21
7.0.10.0030.08020.09
7.0.00.0030.04020.20
5.6.210.0170.07020.53
5.6.200.0030.05318.08
5.6.190.0130.05020.77
5.6.180.0330.05020.43
5.6.170.0300.07020.51
5.6.160.0030.08720.44
5.6.150.0130.07718.12
5.6.140.0100.06718.22
5.6.130.0030.04318.20
5.6.120.0030.04020.99
5.6.110.0070.07021.13
5.6.100.0070.08720.98
5.6.90.0030.07320.98
5.6.80.0030.05720.50
5.5.350.0300.07720.38
5.5.340.0170.03717.98
5.5.330.0100.04720.29
5.5.320.0500.06720.14
5.5.310.0300.08320.27
5.5.300.0070.07317.91
5.5.290.0100.03317.91
5.5.280.0070.08720.80
5.5.270.0100.04320.79
5.5.260.0070.08020.75
5.5.250.0030.07320.56
5.5.240.0170.05720.26
5.4.450.4570.04319.20
5.4.440.0070.07719.46
5.4.430.1600.07319.34
5.4.420.4500.04019.32
5.4.410.3930.03719.32
5.4.400.3730.04019.13
5.4.390.4300.03719.14
5.4.380.4630.03319.09
5.4.370.4700.03719.15
5.4.360.4170.04019.24
5.4.350.4570.04019.16
5.4.340.3800.04319.09
5.4.320.4000.03318.87
5.4.310.3530.03019.04
5.4.300.0070.07719.14
5.4.290.0100.07318.92
5.4.280.4630.03719.05
5.4.270.3770.03718.96
5.4.260.4470.04019.23
5.4.250.4400.04019.22
5.4.240.3600.04019.23
5.4.230.4500.03318.99
5.4.220.4600.03019.04
5.4.210.4230.04019.14
5.4.200.0000.04018.96
5.4.190.3670.04019.14
5.4.180.3900.03018.98
5.4.170.3700.04019.13
5.4.160.3700.04019.02
5.4.150.3600.03319.13
5.4.140.4200.04016.35
5.4.130.3900.03716.38
5.4.120.3800.03716.41
5.4.110.4100.04016.46
5.4.100.4170.03716.49
5.4.90.4870.02716.38
5.4.80.3630.03316.14
5.4.70.2670.04016.11
5.4.60.3400.03016.22
5.4.50.2900.02716.29
5.4.40.3070.03716.41
5.4.30.2100.04016.32
5.4.20.2870.03016.39
5.4.10.3000.02716.43
5.4.00.2600.03015.87
5.3.290.4400.04714.59
5.3.280.4630.02714.52
5.3.270.3500.03314.60
5.3.260.3770.04314.57
5.3.250.3530.04014.39
5.3.240.3700.02714.55
5.3.230.3670.03314.56
5.3.220.3630.03714.50
5.3.210.3630.04014.48
5.3.200.3700.03314.58
5.3.190.4070.04314.39
5.3.180.3800.04014.52
5.3.170.3930.04014.58
5.3.160.3330.03714.54
5.3.150.3370.04014.49
5.3.140.2830.04014.48
5.3.130.2970.03714.33
5.3.120.2670.03714.51
5.3.110.2570.03714.45
5.3.100.3070.04013.91
5.3.90.2700.04013.94
5.3.80.1400.03313.83
5.3.70.1800.03313.97
5.3.60.2370.04013.95
5.3.50.2930.03713.87
5.3.40.3430.03313.88
5.3.30.4200.04313.84
5.3.20.3800.03713.64
5.3.10.3570.03013.49
5.3.00.3730.03713.57
5.2.170.3400.03711.00
5.2.160.3000.03011.09
5.2.150.2970.03311.14
5.2.140.3530.03310.96
5.2.130.3800.03011.07
5.2.120.2970.03010.95
5.2.110.3230.02711.03
5.2.100.3200.03011.03
5.2.90.2970.03011.11
5.2.80.2900.03311.08
5.2.70.2970.02711.03
5.2.60.3230.03011.03
5.2.50.3030.02311.02
5.2.40.2570.03310.92
5.2.30.2630.03010.93
5.2.20.2630.02710.89
5.2.10.2530.02710.85
5.2.00.2330.03010.61
5.1.60.2400.02010.14
5.1.50.2500.0279.95
5.1.40.2600.02710.12
5.1.30.2370.02310.41
5.1.20.3030.03310.25
5.1.10.2970.02710.04
5.1.00.2870.02310.05
5.0.50.1270.0208.52
5.0.40.1470.0208.41
5.0.30.1400.0308.30
5.0.20.1230.0208.23
5.0.10.1300.0208.13
5.0.00.0570.0378.14
4.4.90.1200.0136.69
4.4.80.1370.0206.69
4.4.70.1400.0206.69
4.4.60.1430.0176.69
4.4.50.1400.0206.69
4.4.40.1430.0236.69
4.4.30.1370.0206.69
4.4.20.1770.0136.69
4.4.10.1700.0136.69
4.4.00.1630.0276.69
4.3.110.1500.0136.69
4.3.100.1300.0176.69
4.3.90.0870.0236.69
4.3.80.1200.0236.69
4.3.70.1330.0136.69
4.3.60.1170.0176.69
4.3.50.1230.0106.69
4.3.40.1330.0236.69
4.3.30.0870.0176.69
4.3.20.0930.0236.69
4.3.10.0770.0136.69
4.3.00.0830.0206.69

preferences:
41.87 ms | 401 KiB | 5 Q