3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "1"; $y = str_pad($x, 2, "0", STR_PAD_LEFT); echo $y;

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)
8.3.40.0110.00318.59
8.3.30.0110.00418.96
8.3.20.0070.00020.30
8.3.10.0070.00023.48
8.3.00.0030.00620.87
8.2.170.0140.00022.96
8.2.160.0100.01020.47
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0050.00220.52
8.2.110.0030.00722.27
8.2.100.0110.00017.72
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0070.00417.93
8.2.50.0050.00318.07
8.2.40.0000.01119.84
8.2.30.0030.00518.29
8.2.20.0040.00417.58
8.2.10.0030.00618.06
8.2.00.0130.00017.70
8.1.270.0030.00623.83
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.86
8.1.230.0030.00919.01
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0080.00317.25
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0000.00918.38
8.1.160.0040.00421.94
8.1.150.0000.00718.55
8.1.140.0000.01017.37
8.1.130.0000.00717.92
8.1.120.0030.00317.39
8.1.110.0050.00217.38
8.1.100.0070.00017.36
8.1.90.0040.00417.41
8.1.80.0050.00317.27
8.1.70.0060.00317.23
8.1.60.0040.00417.45
8.1.50.0050.00317.41
8.1.40.0040.00417.47
8.1.30.0000.01117.55
8.1.20.0040.00417.64
8.1.10.0000.00817.49
8.1.00.0000.00717.48
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0030.00318.41
8.0.270.0030.00317.16
8.0.260.0000.00617.25
8.0.250.0030.00316.91
8.0.240.0000.00716.98
8.0.230.0040.00416.82
8.0.220.0000.00716.71
8.0.210.0040.00416.77
8.0.200.0030.00316.88
8.0.190.0000.00716.81
8.0.180.0040.00716.87
8.0.170.0000.00816.82
8.0.160.0000.00716.81
8.0.150.0030.00316.62
8.0.140.0000.00716.80
8.0.130.0000.00513.23
8.0.120.0000.00816.66
8.0.110.0050.00216.79
8.0.100.0000.00816.79
8.0.90.0000.00716.61
8.0.80.0030.01316.84
8.0.70.0040.00416.64
8.0.60.0000.00716.70
8.0.50.0050.00316.70
8.0.30.0080.01116.97
8.0.20.0070.01217.40
8.0.10.0000.00716.74
8.0.00.0080.01016.73
7.4.330.0030.00315.00
7.4.320.0000.00616.33
7.4.300.0030.00316.44
7.4.290.0020.00516.41
7.4.280.0000.00716.50
7.4.270.0000.00816.50
7.4.260.0070.00016.39
7.4.250.0060.00316.39
7.4.240.0060.00116.46
7.4.230.0040.00416.25
7.4.220.0070.01116.59
7.4.210.0060.00916.46
7.4.200.0030.00316.32
7.4.190.0000.00716.33
7.4.160.0100.01316.15
7.4.150.0100.00917.40
7.4.140.0130.01017.86
7.4.130.0070.00916.39
7.4.120.0100.01316.39
7.4.110.0090.01516.35
7.4.100.0070.01116.43
7.4.90.0100.00716.44
7.4.80.0060.01619.39
7.4.70.0070.01016.48
7.4.60.0100.01316.38
7.4.50.0030.00616.50
7.4.40.0160.00016.49
7.4.30.0040.01816.40
7.4.10.0060.01314.74
7.4.00.0060.01114.82
7.3.330.0030.00313.08
7.3.320.0020.00213.04
7.3.310.0080.00016.20
7.3.300.0000.00716.24
7.3.290.0140.00016.19
7.3.280.0060.01216.15
7.3.270.0030.01517.40
7.3.260.0180.00016.23
7.3.250.0100.00716.47
7.3.240.0110.00716.45
7.3.230.0070.01016.45
7.3.210.0130.00316.57
7.3.200.0170.00019.39
7.3.190.0120.00916.52
7.3.180.0060.00916.22
7.3.170.0070.01016.27
7.3.160.0110.00516.39
7.3.130.0080.01214.79
7.3.120.0070.00814.92
7.3.110.0060.00914.88
7.3.100.0090.00314.68
7.3.90.0000.01214.47
7.3.80.0100.00314.69
7.3.70.0050.00314.55
7.3.60.0060.01014.53
7.3.50.0090.00314.59
7.3.40.0160.00014.62
7.3.30.0000.01214.82
7.3.20.0070.00716.43
7.3.10.0070.00516.53
7.3.00.0080.00716.54
7.2.330.0080.00816.33
7.2.320.0130.00416.47
7.2.310.0080.00416.39
7.2.300.0090.00916.40
7.2.290.0090.00916.39
7.2.260.0060.00615.09
7.2.250.0000.01915.12
7.2.240.0030.01014.66
7.2.230.0060.00914.57
7.2.220.0070.01014.67
7.2.210.0030.01015.25
7.2.200.0030.00914.71
7.2.190.0030.01415.06
7.2.180.0030.01014.86
7.2.170.0090.00914.70
7.2.160.0060.00615.10
7.2.150.0070.00716.95
7.2.140.0000.01216.69
7.2.130.0000.01516.82
7.2.120.0120.00216.93
7.2.110.0060.00616.71
7.2.100.0100.00316.69
7.2.90.0030.01016.70
7.2.80.0120.00316.64
7.2.70.0090.00516.61
7.2.60.0070.00716.68
7.2.50.0040.00816.90
7.2.40.0090.00416.79
7.2.30.0100.00416.74
7.2.20.0110.00116.90
7.2.10.0070.00816.91
7.2.00.0040.00817.46
7.1.330.0070.00715.64
7.1.320.0040.00815.69
7.1.310.0070.00715.97
7.1.300.0060.00315.80
7.1.290.0090.00315.79
7.1.280.0070.00315.84
7.1.270.0080.00815.79
7.1.260.0110.00315.70
7.1.250.0050.00815.80
7.1.240.0030.00915.64
7.1.230.0090.00615.40
7.1.220.0040.00715.82
7.1.210.0060.00915.50
7.1.200.0070.00715.60
7.1.190.0030.01015.83
7.1.180.0060.00315.62
7.1.170.0000.01215.54
7.1.160.0000.00915.61
7.1.150.0090.00615.98
7.1.140.0040.00815.84
7.1.130.0030.01015.80
7.1.120.0060.00615.47
7.1.110.0000.01415.63
7.1.100.0080.00516.82
7.1.90.0030.00715.71
7.1.80.0030.00815.91
7.1.70.0060.00816.57
7.1.60.0110.00517.73
7.1.50.0070.00716.51
7.1.40.0060.00315.73
7.1.30.0050.00315.68
7.1.20.0080.00815.93
7.1.10.0040.00415.87
7.1.00.0090.03818.97
7.0.330.0100.00315.49
7.0.320.0060.01015.33
7.0.310.0110.00015.46
7.0.300.0110.00315.48
7.0.290.0070.00715.39
7.0.280.0060.00615.47
7.0.270.0000.01515.21
7.0.260.0070.00715.42
7.0.250.0040.01115.38
7.0.240.0070.00315.57
7.0.230.0060.00315.36
7.0.220.0120.00315.55
7.0.210.0060.00915.12
7.0.200.0050.00716.06
7.0.190.0060.00615.59
7.0.180.0040.01115.39
7.0.170.0000.00915.38
7.0.160.0110.00415.34
7.0.150.0090.00315.62
7.0.140.0040.04118.72
7.0.130.0060.00615.56
7.0.120.0040.00715.32
7.0.110.0030.00915.47
7.0.100.0030.00515.34
7.0.90.0080.00415.32
7.0.80.0090.00315.60
7.0.70.0000.01215.47
7.0.60.0060.03617.47
7.0.50.0080.03616.68
7.0.40.0050.04616.83
7.0.30.0270.02916.75
7.0.20.0080.02916.92
7.0.10.0030.02616.89
7.0.00.0110.04116.75
5.6.400.0070.00713.98
5.6.390.0030.01014.42
5.6.380.0060.00614.22
5.6.370.0000.01414.38
5.6.360.0050.00514.20
5.6.350.0080.00314.43
5.6.340.0060.00614.59
5.6.330.0040.00413.98
5.6.320.0100.00714.24
5.6.310.0070.00714.37
5.6.300.0090.00314.43
5.6.290.0030.00914.22
5.6.280.0020.04417.66
5.6.270.0040.01114.44
5.6.260.0060.00614.15
5.6.250.0110.00314.45
5.6.240.0050.00314.37
5.6.230.0040.00814.34
5.6.220.0030.00614.50
5.6.210.0050.02517.46
5.6.200.0080.02116.30
5.6.190.0050.04617.25
5.6.180.0170.02317.37
5.6.170.0220.04017.39
5.6.160.0030.02317.41
5.6.150.0080.04116.17
5.6.140.0060.04316.13
5.6.130.0120.02416.15
5.6.120.0110.04317.45
5.6.110.0050.04517.66
5.6.100.0080.03217.49
5.6.90.0070.04017.68
5.6.80.0130.02817.36
5.6.70.2260.02617.34
5.6.60.0070.00714.09
5.6.50.0030.00714.33
5.6.40.0030.00913.91
5.6.30.0060.00614.22
5.6.20.0030.00914.22
5.6.10.0030.01014.03
5.6.00.0040.00413.97
5.5.380.0030.00914.14
5.5.370.0070.00714.05
5.5.360.0000.01314.21
5.5.350.0070.04517.15
5.5.340.0070.04015.99
5.5.330.0120.04016.99
5.5.320.0030.02517.28
5.5.310.0180.02817.15
5.5.300.0060.04516.07
5.5.290.0050.02716.08
5.5.280.0020.03217.53
5.5.270.0040.04917.55
5.5.260.0080.03717.57
5.5.250.0100.04217.35
5.5.240.0110.02516.97
5.5.230.0030.01213.97
5.5.220.0030.00914.03
5.5.210.0000.01114.10
5.5.200.0090.00614.08
5.5.190.0070.00414.30
5.5.180.0030.00914.20
5.5.170.0060.00614.21
5.5.160.0130.00014.32
5.5.150.0030.00714.01
5.5.140.0090.00014.34
5.5.130.0040.00813.96
5.5.120.0040.00814.21
5.5.110.0060.00914.41
5.5.100.0060.00914.25
5.5.90.0060.00614.38
5.5.80.0030.00914.12
5.5.70.0040.01114.04
5.5.60.0080.00514.27
5.5.50.0070.00714.05
5.5.40.0130.00014.21
5.5.30.0060.00614.14
5.5.20.0030.01013.99
5.5.10.0110.00314.13
5.5.00.0110.00313.65
5.4.450.0100.02715.04
5.4.440.0170.03915.02
5.4.430.0140.02815.17
5.4.420.0220.03515.21
5.4.410.0200.03815.11
5.4.400.0210.03314.90
5.4.390.0210.03615.08
5.4.380.0160.03815.11
5.4.370.0150.04214.88
5.4.360.0210.04014.92
5.4.350.0130.03814.77
5.4.340.0150.02215.01
5.4.330.0040.00810.70
5.4.320.0190.02814.96
5.4.310.0130.02214.94
5.4.300.0130.02914.89
5.4.290.0180.02014.89
5.4.280.0190.03715.05
5.4.270.0210.03214.79
5.4.260.0150.02814.82
5.4.250.0100.03014.99
5.4.240.0140.03315.00
5.4.230.0180.02014.92
5.4.220.0150.02015.07
5.4.210.0140.02714.94
5.4.200.0180.05014.86
5.4.190.0350.03114.99
5.4.180.0150.02514.71
5.4.170.0160.03814.97
5.4.160.0180.02515.04
5.4.150.0240.03414.86
5.4.140.0130.03013.67
5.4.130.0200.03113.47
5.4.120.0180.03713.49
5.4.110.0120.02913.64
5.4.100.0180.02713.63
5.4.90.0230.02813.45
5.4.80.0160.02813.43
5.4.70.0230.03113.60
5.4.60.0140.02913.51
5.4.50.0260.03013.63
5.4.40.0200.03613.57
5.4.30.0170.03513.55
5.4.20.0160.02813.52
5.4.10.0150.03813.64
5.4.00.0180.03413.32
5.3.290.0130.03412.49
5.3.280.0130.02712.42
5.3.270.0170.02312.30
5.3.260.0160.02312.57
5.3.250.0170.03812.49
5.3.240.0170.03712.39
5.3.230.0240.02912.38
5.3.220.0170.03312.34
5.3.210.0160.04412.37
5.3.200.0180.02612.42
5.3.190.0180.03612.28
5.3.180.0130.03412.46
5.3.170.0180.03712.53
5.3.160.0130.03912.42
5.3.150.0220.03012.43
5.3.140.0190.03112.32
5.3.130.0170.03312.48
5.3.120.0130.03312.36
5.3.110.0180.03312.43
5.3.100.0150.03012.03
5.3.90.0130.02712.14
5.3.80.0170.03412.03
5.3.70.0150.04012.04
5.3.60.0190.01812.20
5.3.50.0120.02211.98
5.3.40.0090.02312.10
5.3.30.0110.01812.15
5.3.20.0130.02111.99
5.3.10.0150.01711.73
5.3.00.0070.02211.84
5.2.170.0130.03312.16
5.2.160.0130.03712.16
5.2.150.0170.03312.16
5.2.140.0170.03312.16
5.2.130.0170.02712.16
5.2.120.0130.03012.16
5.2.110.0170.02712.16
5.2.100.0130.03012.16
5.2.90.0200.02712.16
5.2.80.0130.03012.16
5.2.70.0100.03712.16
5.2.60.0200.03312.16
5.2.50.0130.03012.16
5.2.40.0230.05012.16
5.2.30.0070.03312.16
5.2.20.0130.03312.16
5.2.10.0070.03312.16
5.2.00.0070.03312.16
5.1.60.0170.02012.16
5.1.50.0170.02012.16
5.1.40.0130.02312.16
5.1.30.0130.02312.16
5.1.20.0130.03012.16
5.1.10.0130.02312.16
5.1.00.0100.03012.16
5.0.50.0100.01712.16
5.0.40.0030.02712.16
5.0.30.0100.02712.16
5.0.20.0030.02012.16
5.0.10.0070.02012.16
5.0.00.0100.04712.16
4.4.90.0070.01312.16
4.4.80.0030.01712.16
4.4.70.0030.01712.16
4.4.60.0070.01312.16
4.4.50.0070.01712.16
4.4.40.0030.02712.16
4.4.30.0070.01712.16
4.4.20.0070.01312.16
4.4.10.0070.01712.16
4.4.00.0070.02712.16
4.3.110.0100.01012.16
4.3.100.0030.01712.16
4.3.90.0030.01712.16
4.3.80.0070.03712.16
4.3.70.0070.01312.16
4.3.60.0070.01312.16
4.3.50.0030.01712.16
4.3.40.0030.02312.16
4.3.30.0030.01712.16
4.3.20.0030.01312.16
4.3.10.0030.01712.16
4.3.00.0030.01712.16

preferences:
47.82 ms | 400 KiB | 5 Q